WorksheetsU5-Mock Exam COMPLETO
Total questions: 96
Worksheet time: 1hrs 4mins
Ohms
Watts
The flow of protons
Why electrical wiring usually are covered with a layer of plastic?
To make it look pretty
To help electricity flow along the wire
To make it safe
To add more energy
What is the flow of electric charges called?
voltage
current
resistance
electricity
What is the unit of measurement for current
Ohm's
Ampheres
Volts
The relationship between voltage, current, and resistance is described by....
Bohr's Law
Ohm's Law
Kirkchoff's Law
Lorentz' Law
Look at the circuits in the diagram. In which circuit will the bulb be brighter?
Circuit A
Circuit B
Both circuits, the bulbs will have the same brightness.
State one advantage of bulbs arranged in parallel arrangement in a circuit.
When one bulb fused the other can still light up.
Reduce the amount of electric current used for both bulbs.
Both bulbs in a parallel arrangement in circuit will share the electric current produced by the battery.
Choose the correct symbol for this component!
What is the flow of electric charges called?
voltage
current
resistance
electricity
The electric potential energy of a circuit is sometimes called the ________________.
Current
Resistance
Capacitance
Voltage
A learner is provided with three identical resistors to insert in any manner in a circuit. Which ONE of the following circuit diagrams will allow the largest current through the ammeter?
1. Which switch or switches must be closed to make both the lamps light?
Only switch 1
Only switch 1
Switches 1 and 2
Switches 1 , 2 and 3
If lamp 1 is unscrewed from its holder, what will happen to lamp 2?
It will get brighter
It will stay the same brightness
It will go out
Nothing will happen
Given the circuits below. The first one has a 9V battery, and the second one has a 3V battery. When you observe the brightness of the bulb and the differences… What components are different in the circuits?
the normal switch and the push switch
the battery
the wirres
there's not really any difference.. They will work the same
Given the circuits below. The first one has a 9V battery, and the second one has a 3V battery. When you observe the brightness of the bulb and the differences… How does the second circuit work differently from the first one?
you have to be pushing the push switch to make the ulb light up
they work the same way
just pressing the switch once, it'll light up
none of the other answers is correct
Given the circuits below. Does the position of the switch make any difference on how the circuit works? Why?
not at all., they will work the same way
yes, the switch must be before the bulb
yes, the switch must be after the bulb
yes, you have to place a switch before and after the bulb
Given the circuits below… Does the circuit 1 work?
no, because it's not a closed loop
no, beacuse there is a short circut
yes, it will work perfectly. There's no problem
no, becuase there is no source of electricity (battery)
Given the circuits below… Does the circuit 2 work?
no, because it's not a closed loop
no, beacuse there is a short circut
yes, it will work perfectly. There's no problem
no, becuase there is no source of electricity (battery)
Given the circuits below… Does the circuit 3 work?
no, because it's not a closed loop
no, beacuse there is a short circut
yes, it will work perfectly. There's no problem
no, becuase there is no source of electricity (battery)
Given the circuits below… Does the circuit 4 work?
no, because it's not a closed loop
no, beacuse there is a short circut
yes, it will work perfectly. There's no problem
no, becuase there is no source of electricity (battery)
Given the circuits below… Does the circuit 5 work?
no, because it's not a closed loop
no, beacuse there is a short circut
yes, it will work perfectly. There's no problem
no, becuase there is no source of electricity (battery)
Given the circuits below… Does the circuit 6 work?
no, because it's not a closed loop
no, beacuse there is a short circut
yes, it will work perfectly. There's no problem
no, becuase there is no source of electricity (battery)
Given the circuit below, mention which switch you have to press to light up the bulb in circuit number 1
I1
I2
I1 and I2
I1 or I2
Given the circuit below, mention which switch you have to press to light up the bulb in circuit number 2
I1
I2
I1 and I2
I1 or I2
Given the circuit below, mention which switch you have to press to light up the bulb in circuit number 3
I1
I2
I1 and I2
I1 or I2
Given the circuit below, mention which switch you have to press to light up the bulb in circuit number 4
I1
I2
I1 and P1
I1 or P1
Given the circuit below, mention which switch you have to press to light up the bulb in circuit number 5
I1
I2
I1 and I2
I1 or I2
Given the circuit below, mention which switch you have to press to light up the bulb in circuit number 6
I1
I2
I1 and I2
I1 and not I2
Given the circuit below, mention which switch you have to press to light up the bulb in circuit number 7
I1
I2
I1 and I2
I1 or I2
Given the circuit below, mention which switch you have to press to light up the bulb in circuit number 8
P1
P2
P1 and not P2
Not P1 and P2
Given the circuit below, mention which switch you have to press to light up the bulb in circuit number 9
I1
I2
I1 and I2
I1 and not I2
Given the circuit below, mention which switch you have to press to light up the bulb in circuit number 10
I1
I2
I1 and I2
I1 and not I2
Given the circuit below, mention which switch you have to press to light up the bulb number 1
I1
P1
I1 and P1
I1 or P1
Given the circuit below, mention which switch you have to press to light up the bulb number 2
I1
P1
I1 and P1
I1 or P1
Given the circuit below, mention which switch you have to press to light up the bulb number 1 and number 2
I1
P1
I1 and P1
I1 or P1
Given the circuit below, mention which switch you can press to light up bulb 1.
I1
I1+I2
I1+I2+I4
I1+I4
Given the circuit below, mention which switch you can press to light up bulb 2
I1
I1+I3
I1+I3+I4
I1+I4
Given the circuit below, mention which switch you can press to light up bulb 3
I1
I1+I2
I1+I2+I3
I1+I2+I4
Given the circuit below, mention which switch you can press to light up bulbs 1 and 2
I1
I1+I2+I4
I1+I2+I3
I1+I2+I3-I4
Given the circuit below, mention which switch you can press to light up bulbs 1 and 3
I1+I4
I1+I3+I4
I1+I2+I4
I1+I2+I3+I4
Given the circuit below, mention which switch you can press to light up bulbs 2 and 3
I1+I4
I1+I3+I4
I1+I2+I4
I1+I2+I3+I4
Given the circuit below, mention which switch you can press to light up bulbs 1, 2 and 3
I1+I4
I1+I3+I4
I1+I2+I4
I1+I2+I3+I4
Given the circuit below, Explain what components will work If you only close switch 1
A, B and the Motor
A, B, C and the Motor
A, and the Motor
C
Given the circuit below, Explain what components will work If you only close switch 2
A, B and the Motor
A, B, C and the Motor
A, and the Motor
C
Given the circuit below, Explain what components will work If you only close switches 1 and 2
A, B and the Motor
A, B, C and the Motor
A, and the Motor
C
Given the circuits if the first one has a 9V battery, and the second one has a 3V battery.When you observe the brightness of the bulb, which differences will you detect? Briefly explain it
the first one will light up MORE than the second because there is a HIGHER Volvate, so that there is a HIGHER electric current flowing
the first one will light up LESS than the second because there is a HIGHER Volvate, so that there is a HIGHER electric current flowing
the first one will light up more than the second because there is a HIGHER Volvate, so that there is a LOWER electric current flowing
the first one will light up more than the second because there is a LOWER Volvate, so that there is a LOWER electric current flowing
Given the circuits belowWhich advantages does the parallel circuit have compared to the series circuit…REGARDING BRIGHTNESS
The VOLTAGE in the bulbs is the voltage of the battery in the PARALLEL (9V). The VOLTAGE in the bulbs is the voltage of the battery divided by 3 in the SERIES (3,3V)... So: The CURRENT in the bulbs is higher in the PARALLEL than in the SERIES circuit... one and 10/3, so that there is a HIGHER electric current flowing. So... The light up brighter in in the PARALLEL circuits
The VOLTAGE in the bulbs is the voltage of the battery in the SERIES (9V). The VOLTAGE in the bulbs is the voltage of the battery divided by 3 in the PARALLEL (3,3V)... So: The CURRENT in the bulbs is higher in the PARALLEL than in the SERIES circuit... one and 10/3, so that there is a HIGHER electric current flowing. So... The light up brighter in in the PARALLEL circuits
The VOLTAGE in the bulbs is the voltage of the battery in the PARALLEL (9V). The VOLTAGE in the bulbs is the voltage of the battery divided by 3 in the SERIES (3,3V)... So: The CURRENT in the bulbs is higher in the SERIES than in the PARALLEL circuit... one and 10/3, so that there is a HIGHER electric current flowing. So... The light up brighter in in the PARALLEL circuits
The VOLTAGE in the bulbs is the voltage of the battery in the PARALLEL (9V). The VOLTAGE in the bulbs is the voltage of the battery divided by 3 in the SERIES (3,3V)... So: The CURRENT in the bulbs is higher in the PARALLEL than in the SERIES circuit... one and 10/3, so that there is a HIGHER electric current flowing. So... The light up brighter in in the SERIES circuits
Given the circuits belowWhich advantages does the parallel circuit have compared to the series circuit…REGARDING when a component (wire or bulb) breaks down
In the PARALLEL circuit if a part breks down , the rest of the circuit will KEEP working (there are like independant circuits) In the SERIES circuit if a part breks down , the rest of the circuit will STOP working (it's only one circuit and it will be opened)
In the SERIES circuit if a part breks down , the rest of the circuit will KEEP working (there are like independant circuits) In the PARALLEL circuit if a part breks down , the rest of the circuit will STOP working (it's only one circuit and it will be opened)
In the PARALLEL circuit if a part breks down , the rest of the circuit will STOP working (there are like independant circuits) In the SERIES circuit if a part breks down , the rest of the circuit will KEEP working (it's only one circuit and it will be opened)
In the SERIES circuit if a part breks down , the rest of the circuit will STOP working (there are like independant circuits) In the PARALLEL circuit if a part breks down , the rest of the circuit will KEEP working (it's only one circuit and it will be opened)
Given the circuits below. What is the name of these kind of circuits?
Series
Parallel
Mixed
None of the other answers is correct
Given the circuits below. What happens if in any of them a light bulb stops working? (it is similar to removing a light bulb)
In the SERIES circuit if a part breks down , the rest of the circuit will STOP working (it's only one circuit and it will be opened)
In the SERIES circuit if a part breks down , the rest of the circuit will KEEP working (there are like independant circuits)
In the PARALLEL circuit if a part breks down , the rest of the circuit will STOP working (it's only one circuit and it will be opened)
In the PARALLEL circuit if a part breks down , the rest of the circuit will KEEP working (there are like independant circuits)
Given the circuits below. Does the position of the switch affect the function of the circuit?
No, it does not make any difference
Yes, of course, the current can't flow if it's AFTER the bulb (even if it's closed)
Yes, of course, the current can't flow if it's BEFORE the bulb (even if it's closed)
Yes, of course, you need to put one switch AFTER AND BEFORE the bulb
Given the circuits below. When you close the switches, what differences do you observe?
The VOLTAGE in the bulbs is the voltage of the battery divided by the number of bulbs in SERIES circuits... So: The CURRENT in the bulbs is higher when you have less bulbs So... They light up brighter when you have 2 bulbs
The VOLTAGE in the bulbs is the samen in all the bulbs in SERIES circuits... So: The CURRENT in the bulbs is same in all the bulbs So... They light up the same in both circuits
The VOLTAGE in the bulbs is the voltage of the battery divided by the number of bulbs in SERIES circuits... So: The CURRENT in the bulbs is same in all the bulbs So... They light up the same in both circuits
The VOLTAGE in the bulbs is the samen in all the bulbs in SERIES circuits... So: The CURRENT in the bulbs is higher when you have less bulbs So... They light up brighter when you have 2 bulbs
Given the circuits below. What is the name of these kind of circuits?
Series
Parallel
Mixed
None of the other answers is correct
Given the circuits below. When you close the switches, what differences do you observe?
The VOLTAGE in the bulbs is the voltage of the battery divided by the number of bulbs in PARALLEL circuits... So: The CURRENT in the bulbs is higher when you have less bulbs So... They light up brighter when you have 2 bulbs
The VOLTAGE in the bulbs is the same in all the bulbs in PARALLEL circuits... So: The CURRENT in the bulbs is same in all the bulbs So... They light up the same in both circuits
The VOLTAGE in the bulbs is the voltage of the battery divided by the number of bulbs in PARALLEL circuits... So: The CURRENT in the bulbs is same in all the bulbs So... They light up the same in both circuits
The VOLTAGE in the bulbs is the samen in all the bulbs in PARALLEL circuits... So: The CURRENT in the bulbs is higher when you have less bulbs So... They light up brighter when you have 2 bulbs
Given the circuits below. What happens if in any of them a light bulb stops working? (it is similar to removing a light bulb)
In the SERIES circuit if a part breks down , the rest of the circuit will STOP working (it's only one circuit and it will be opened)
In the SERIES circuit if a part breks down , the rest of the circuit will KEEP working (there are like independant circuits)
In the PARALLEL circuit if a part breks down , the rest of the circuit will STOP working (it's only one circuit and it will be opened)
In the PARALLEL circuit if a part breks down , the rest of the circuit will KEEP working (there are like independant circuits)
Given the circuit below. When closing the switch, which bulbs will light up if… L1 breaks down? (select the bulbs that will light up)
L1
L2
L3
L4
No bulb will light up
Given the circuit below. When closing the switch, which bulbs will light up if… L2 breaks down? (select the bulbs that will light up)
L1
L2
L3
L4
No bulb will light up
Given the circuit below. When closing the switch, which bulbs will light up if… L4 breaks down? (select the bulbs that will light up)
L1
L2
L3
L4
No bulb will light up
Given the circuit below. When closing the switch, which bulbs will light up if… L1 and L3 break down? (select the bulbs that will light up)
L1
L2
L3
L4
No bulb will light up
Given the circuits below. Select which bulbs will NOT light up if you close the switch due to the short circuit
A, H, J, K
B, H, J, K
A, B, H, J, K
A, B, H, J, K, L
There are no short circuits
Given the circuit below. When closing the switch, which bulbs will light up if… L1 and L3 break down? (select the bulbs that will light up)
L11, L10, L9 and L5
L11, L10, L9 and L7, L6 and
L5
L11, L10, L9 and
L5 and
L3, L2, L1
L11, L10, L9 and
L7, L6 and
L5 and
L3, L2, L1
No bulb will light up
The basic electrical quantities are:
Electric current (I), potential difference or voltage (V) and resistance(R)
Electric electrons (I), potential difference or voltage (V) and resistance(R)
Electric current (I), potential difference or voltage (V), power (W) and resistance(R)
Electric current (I), potential difference or voltage (V), Force or potence (W) and resistance(R)
The electric current is measured in
Amps (A)
Volts (V)
Ohms (Ω)
Watts (W)
The potential difference or voltage is measured in
Amps (A)
Volts (V)
Ohms (Ω)
Watts (W)
The resistance is measured in
Amps (A)
Volts (V)
Ohms (Ω)
Watts (W)
The stream (flow) of electrons moving through an electrical conductor
Current (I)
Potential difference or voltage (V)
Resistance (R)
Power (W or Watts)
The amount of energy that electrons and protons have between two points in a circuit
Current (I)
Potential difference or voltage (V)
Resistance (R)
Power (W or Watts)
The opposition to the flow of current presented by the components of a circuit
Current (I)
Potential difference or voltage (V)
Resistance (R)
Power (W or Watts)
Given the circuit below, how much will the Voltmeters for B1 and B2 measure?
4,5 V (each one)
9 V (each one)
4,5 A (each one)
45 mA
Given the circuit below, What's the current for B1 and B2?
The same for B1 and B2
The total current divided by 2
4,5 A (each one)
Nono of the other answers are correct
Given the circuit below, how much will the voltage be for R1, R2 and R3?
The same for the three of them (10 V)
I1 for R1, I2 for R2, I3 for R3
triple for R1, double for R2 and simple for R3
triple for R3, double for R2 and simple for R1
Given the circuit below, how much will the current be for R1, R2 and R3?
The same for the three of them
No current as long as there is a short circuit
The more resistance, the more current:
triple for R1, double for R2 and simple for R3
The more resistance, the less current:
triple for R3, double for R2 and simple for R1
How much Voltage does the bulb use?
9 V: The same as the motor
4,5 V: The voltage is divided
Depends on the resistance of motor and bulb
4,5 V as long as it is a parallel arrangement
How much current flows through the bulb?
4,5 V divided by the resistance of the bulb
9 V divided by the resistance of the bulb
Depends on the resistance of motor and bulb
9 V divided by the resistance of the motor
