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Worksheets

Circuit Review

Total questions: 20

Worksheet time: 7mins

Name
Class
Date
1.

The flow of electrons is also called..

a)

Resistance

b)

Voltage

c)

Current

d)

Magnetism

2.

Allows electrons to flow easily from one place to another.

a)

Resistor

b)

Conductor

c)

Insulator

d)

Plastics

3.

Current that flows in 1 direction and is usually produced by batteries.

a)

AC

b)

DC

c)

Magnetism

d)

CC

4.

Current that flows in two directions and produced by powerplants.

a)

AC

b)

DC

c)

CC

d)

EC

5.

Which circuit below would be described as "closed"?

a)
b)
c)
6.

If you INCREASE VOLTAGE, what happens to CURRENT?

a)

it increases

b)

it decreases

c)

it stays the same

7.

The friction created by objects in a circuit that resist the flow of electrons/energy.

a)

Resistance

b)

Current

c)

Voltage

d)

Magnetism

8.

If you INCREASE RESISTANCE, what happens to CURRENT?

a)

It decreases

b)

It increases

c)

It stays the same

9.

A circuit is supplied with 9 volts of potential difference from the battery. What happens to the voltage if the resistance in the circuit is increased?

a)

It stays the same

b)

It decreases

c)

It increases

10.

A 3 volt battery is switch out and replaced with a 6 volt battery. What happens to the resulting current?

a)

It halves

b)

It doubles

c)

It stays the same

d)

It triples

11.

Which picture below shows a parallel circuit?

a)
b)
c)
d)
12.

In which circuit below, will all lights go out when one light is broken?

a)
b)
c)
13.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
14.
As resistors are added in series to a circuit, the total resistance will...
a)
increase
b)
decrease
c)
stay the same
15.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
16.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
17.

What is the power source in this circuit?

a)

Bulb

b)

Switch

c)

Wire

d)

Battery

18.

Which way does charge flow in a circuit? ___________ to __________

a)

Positive, Negative

b)

Negative, Positive

c)

North, South

d)

East, West

19.

Which circuit will have the brightest lightbulbs?

a)
Circuit with lightbulbs in series
b)
Circuit with lightbulbs in a mix of series and parallel
c)
Circuit with no lightbulbs connected
d)
Circuit with lightbulbs in parallel
20.

The current for each resistor in a parallel circuit is same

a)

True

b)

False