Font size
WorksheetsELECTRIC C REVISION
Total questions: 61
Worksheet time: 42mins
Remember: V=IR and P=VI
A kilowatt (kW) is how many watts?
10
50
100
1000
The picture is an example of .....
Series Circuit
Parallel Circuit
Alternating Circuit
Active Circuit
The picture is an example of .....
Series Cicuit
Parallel Circuit
Alternating Circuit
Direct Circuit
In this type of circuit, charge has only one path through which it can flow.
Series Circuit
Parallel Circuit
Alternating Circuit
Direct Circuit
In this kind of circuit, If one element stops functioning in a series circuit, none of the elements can operate.
Series Circuit
Parallel Circuit
Alternating Circuit
Direct Circuit
In this kind of circuit, has two or more paths which charges can flow.
Series Circuit
Parallel Circuit
Alternating Circuit
Direct Circuit
The rate which electrical energy is transform into a different kind of energy is called ....
Series Circuit
Amperes
Electric Power
Ohms
Electric power can be calculated by multiplying ______________ and _________________.
Voltage and resistance
Voltage and current
Electric usage and voltage
Electric Energy and Time
Electric power can be calculated by multiplying ______________ and _________________.
Voltage and resistance
Voltage and current
Electric usage and voltage
Electric Energy and Time
Electrical energy is calculating by multiplying _________________ and ________________.
Electric Power and time
Voltage and time
Resistance and time
Current and time
Circuit which has 2Volts and 2Amperes in it.
Electric power?
P = I x V
4
6
1
0
Circuit which has 1Volts and 1Amperes in it.
Electric power?
P = I x V
1
2
3
4
A fridge uses 100 kW/h, how much energy would it use in 5 hours?
E= P X T
500kW
600kW
1,000Kw
400kW
A tv uses 20 kW/h, how much energy would it use in 5 hours?
E= P X T
100kW
300kW
1000kW
10kW
The symbol for …………..is P, it is measured in Watts ( …..).
power .... J
current ....W
power.....W
resistance..... ohms
The symbol for current is …., it is measured in ………………( A).
I...current
I......ampere
ampere........I
non of the above
The symbol for resistance is , it is measured in Ohms ( ).
true
false
Electric power is transmitted over long distance by
increasing current
increasing resistance
Increasing voltage and decreasing current
decreasing resitance
When do electric charges flow from one place to another?
Current
Resistance
Conductor
Voltage
When do electric charges flow from one place to another?
Current
Resistance
Conductor
Voltage
What is the opposition of electric forces?
Resistance
Current
Voltage
Conductor
What is a material that conducts or transmits electricity?
Insulator
Conductor
Transformer
Solenoid
Electrical power can be calculated using
Resistance x Voltage
Voltage x Current
Voltage ÷ Current
Voltage + Current
The power of an appliance is...
the amount of energy transferred per second
the amount of voltage going through it
the amount of charge that passes through per second
None
If the wire of an circuit is open what will happen?
The electrons cannot travel through
The bulb will not light up
The battery will lose energy
Nothing will happen
What are the two kinds of circuit?
Parallel and series
Open circuit and closed circuit
What is electricity?
A flow of water
A flow of danger
A flow of electrons
All of above
What kind of circuit is this?
Series
Close
Parallel
Open
What is this circuit called?
Open circuit
Close circuit
Series circuit
Parallel circuit
Which equation can be rearranged to calculate the the electric current given?
I = Q ÷ t
Q = It
I = Qt
I = t ÷Q
Which equation can be rearranged to calculate the time?
t = Q ÷ I
t = IQ
Quantity of charge can be measured in
time (s)
Ampere (A)
coulombs (C)
Joule (J)
Calculate the quantity of charge, Q, obtained when a current of 25 amps runs for 1 minute
Q = 1,800 C
Q = 1,500 C
Q = 1000 C
Q = 3000 C
A potential difference of 24 V is applied to a 150 resistor. How much current flows through the resistor?
0.15 A
3600 A
6.25 A
0.16 A
What is a circuit?
A rate of charges flow through a cross-sectional area of a wire
A closed path that a current can flow along
What is a current?
A rate of charges flow through a cross-sectional area of a wire
A closed path that a current can flow along
The amount of energy used to move one coulomb of electrons through the circuit is its
current
voltage
resistance
In the diagram above, identify circuit component (part) C.
Conductor
Source
Switch
Transformer
A circuit with the switch open allows
Electricity to flow so the device is off
Electricity to not flow so the device is on
Electricity to flow so the device is on
Electricity to not flow so the device is off
An example of an insulator of electricity is.....
Rubber
Silver
Iron
Copper
Which of the following statements is true?
A flow of electrons around a circuit is called an electric current
A switch only turns the current off
An open switch allows a small amount of current through it
Two identical bulbs in a series circuit are brighter than one
