WorksheetsCircuits
Total questions: 57
Worksheet time: 1hrs 25mins
Which word means how hard it is for electrons to flow?
Current
Voltage
Resistance
Power
This is an example of a _______ circuit
open
series
parallel
square
If the Voltage is increased and the resistance stays the same, Current will
Increase
Decrease
Stay the same
Not enough info
If the Voltage stays the same and Resistance is increased, Current will
Increase
Decrease
Stay the same
Not enough info
If the Voltage stays the same and Resistance is increased, Current will
Increase
Decrease
Stay the same
Not enough info
In a series circuit, which of the following is the same throughout the circuit?
Resistance
Voltage
Current
Power
What is current measured in?
Ω (Ohms)
V (Volts)
A (Amps)
W (Watts)
In a series circuit, which of the following will vary based on the resistor?
Power
Voltage
Current
None of the above
What is resistance measured in?
Ω (Ohms)
V (Volts)
A (Amps)
W (Watts)
What is voltage?
The flow of protons
The number of charged particles that pass each second
The difference in potential energy of charged particles
The rate at which energy is being transformed
Battery cells are connected in series to _______
Increase voltage output
Decrease voltage output
Increase current capacity
Decrease current capacity
Current is...
moving protons
moving electrons
measured in volts
measured in ohms
Metals such as copper and aluminum are good ______________.
insulators
conductors
circuits
charges
An object through which electrons can easily flow is called a(n) ___________.
Conductor
Insulator
Why is a battery important in an electrical circuit?
As a source of energy.
As a path for electricity to flow through.
As a connector to connect all parts of a circuit.
The diagram shows a complete circuit but the bulb did not light up. Why?
The plastic spoon is an insulator of electricity and prevented electric current from flowing through the circuit.
The plastic spoon is not connected properly and prevented electric current from flowing through the circuit.
The plastic spoon is a conductor of electricity and prevented electric current from flowing through the circuit.
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
The direction of current flow is taken from
negative to positive terminal
Positive to negative terminal
Both
Which is this type of circuit?
Open circuit
Closed circuit
Both of these
None of these
What happens to the current in a parallel circuit if additional paths are added?
It increases
It decreases
It stays the same
What is the primary function of a fuse in an electrical circuit?
To increase current flow
To prevent excessive current flow
To store electrical energy
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
1 Ohm
3 Ohms
4 Ohms
12 Ohms
What types of charges attract?
Positive and Positive
Positive and Neutral
Negative and Neutral
Positive and Negative
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
25 V
10 V
2.5 V
0.4 V
The mathematical relationship among Voltage, Current, and Resistance
Faraday's Law
Tesla's Law
Edison's Law
Ohm's Law
Current times Resistance equals
(I X R)
Power
Voltage
Amperage
Ohm
Voltage divided by Resistance
(V / R)
Current
Power
Ohms
Watts
Voltage divided by Current
(V / I)
Current
Power
Resistance
Watts
If the battery produced 12.6 Volts what would be the current flow for a 6 Ohm resistor?
2.1 Amps
2.4 Amps
1.71 Amps
15 Amps
How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor
12 volts
24 volts
1.3333
48 volts
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
3 Amps
192 Amps
2 Amps
4 Amps
The flow of electricity requires a
complete path
incomplete path
insulated current
complex circuit
To complete a circuit the switch must be
unattached
open
closed
It depends
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
3 Amps
192 Amps
2 Amps
4 Amps
5 mA
5 A
20 A
0.2 A
If you increase the size of the resistor and keep the voltage the same, what will happen to the current?
Current will increase
Current will decrease
Current will stay the same
What happens to the total resistance in a series circuit when more resistors are added?
It increases
It decreases
It remains the same
It becomes zero
What is the definition of electrical current?
The opposition to the flow of electrons
The rate of flow of charge
The work done on each coulomb of charge
Electrons moving around
In this circuit arrangement the voltage is the same for each bulb
series
parallel
In this circuit arrangement, the voltage of each individual bulb can be added up to equal the battery voltage
series
parallel
If another bulb is added in a parallel circuit, each bulb would
stay the same
get dimmer
In a series circuit, if one bulb burns out, the other bulbs
stay on
go out
In homes, schools and factories, circuits are wired in
series
parallel
There are TWO 1.5V batteries pictured. What is the Voltage supplied to each of the three branches?
6 volts
4.5 volts
3 volts
1.5 volts
1 volt
In which configuration is the total current the greatest?
X
Y
Z
X, Y, and Z are the same.
What is Parallel Circuit?
A wire that has a battery and a switch.
A circuit that contains more than one path for current flow.
A circuit that contians one path for current flow
A circuit with a switch
