# Electric Circuits – Worksheets MCQ | Multiple Choice Questions from the Electric Circuits chapter – physics

Electric Circuits (physics) – MCQ worksheets with answer + other exercises

## Electric Circuits – MCQ Worksheet (with answer) – set 1

1. In much of the world, Most home circuits have a voltage of
a. 20 volts.
b. 30 volts.
c. 60 volts.
d. 230 volts.
2. How many resistors are there in the circuit represented by this circuit diagram?

a. 1
b. 2
c. 3
d. 4

1. Electric power is expressed in the SI unit called the
a. watt.
b. ohm.
c. amp.
d. volt.
2. The power of an electric device can be calculated if you know the circuit’s
a. resistance.
b. voltage.
c. current.
d. two of the above
3. The electrical energy used by a 1000-watt microwave that runs for 30 minutes is
a. 0.5 kilowatt-hours.
b. 3.0 kilowatt-hours.
c. 15 kilowatt-hours.
d. 500 kilowatt-hours.
1. A ground-fault circuit interrupter is found in
a. almost all electrical devices.
b. the main breaker box in a house.
c. some electrical outlets.
d. all of the above
2. Which of the following is an electric safety rule?
a. Never go near fallen electric lines.
b. Do not plug too many devices into one outlet.
c. Never plug-in electric devices when your hands are wet.
d. all of the above

1. d
2. d
3. a
4. d
5. a
6. c
7. d

## Match the definition with a term – Matching worksheet from Electric Circuits chapter

Matching Assignment:
Match each definition with the correct term.

Definitions
1. any device that converts some of the electricity in a circuit to another form of energy
2. any closed loop through which electric current can flow
3. rate at which a device changes electric current to another form of energy
4. circuit with two (or more) loops through which current can flow
5. device that measures the flow of current through a circuit
6. device used to control the flow of current in a circuit
7. circuit with one loop through which current can flow

Terms
a. ammeter
b. series circuit
c. electric circuit
d. electric power
e. switch
f. parallel circuit
g. resistor

Matching

1. g
2. c
3. d
4. f
5. a
6. e
7. b

## Fill in the Blanks – worksheet from Electric Circuits chapter

Fill in the Blank: Fill in the blank with the appropriate term.

1. A(n) __ occurs when the electric current follows a shorter path than the intended loop of the circuit.
2. A switch that automatically opens a circuit if too much current flows through it is called a(n) __.
3. A(n) __ outlet contains a tiny device that monitors the amount of current leaving and returning to the outlet.
4. The round prong on a three-prong plug safely carries any stray current to the __.
5. All electric circuits must have a voltage source and a(n) __.
6. The voltage in a circuit can be measured with a device called a(n) __.
7. The type of circuit commonly found in a flashlight is a(n) __ circuit.

1. electric short
2. circuit breaker
3. GFCI (ground fault circuit interrupter)
4. ground
5. conductor
6. voltmeter
7. series