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Worksheets

Circuits

Total questions: 23

Worksheet time: 35mins

Name
Class
Date
1.

This is the symbol of which electrical device?

a)

A light bulb

b)

An resistor

c)

An electrical cell

d)

A switch

2.

This is the symbol for a(n) ..................?

a)

single cell

b)

bulb

c)

battery

d)

AC current source

3.

The picture shows an electric circuit. This is a series circuit because:

a)

The electrical current is divided between the three light bulbs.

b)

It has 3 light bulbs.

c)

The same current flows through all threelight bulbs.

d)

It uses a single battery

4.

This type of circuit only has one path for current to flow.

a)

parallel

b)

combination

c)

split

d)

series

5.

Which best describes a parallel circuit?

a)

Electricity flows along one pathway.

b)

The flow of electricity comes from more than one source.

c)

Electricity flows along more than one pathway

d)

The flow of electricity comes from one source.

6.

What is one problem with using a series circuit?

a)

If one device goes down, they all go down!

b)

It doesn't work properly.

c)

It has a lot of series.

d)

There are no problems.

7.

What is one benefits of using a parallel circuit?

a)

It gets confusing.

b)

There are no problems.

c)

If one goes down, it does not affect theothers.

d)

It has no benefits

8.

Does this diagram represent a series or parallel circuit?

a)

parallel

b)

series

9.

If the cell in the circuit above has a potential difference of 8V, what is the potential difference across one of the bulbs?

a)

8V

b)

4V

c)

16V

d)

2V

10.

How many volts is produced by three cells of 3 V each in series?

a)

3V

b)

1.5V

c)

9V

d)

27V

11.

A circuit contains two resistors in series. One is 5ohms and the other 10 ohms. What is the total resistance of the circuit?

a)

5 ohms

b)

10 ohms

c)

15 ohms

12.

If the cell above has a potential difference of 8V, what is the potential difference across one bulb?

a)

8V

b)

4V

c)

16V

d)

2V

13.

Look at figure 4. Ammeter A2 and A3 read the same value at 0.4Amps. What is the reading on Ammeter A1?

a)

0.4A

b)

0.2A

c)

0.8A

14.

In a series circuit __________________ .

a)

there are multiple pathways for the charges to go through

b)

there is only one pathway for the charges to go through

c)

there is no pathway for the charges to go through

d)

there is only one device on the circuit

15.

If light bulb A burns out, what will happen?

a)

light bulb B will still work but C will not

b)

none of the light bulbs will work

c)

light bulb C will still work but B will not

d)

light bulbs B and C will continue to work

16.

If light bulb A burns out, what will happen?

a)

none of the lights will work

b)

light bulbs B and C will continue to work

c)

light bulb B will work, but C will not

d)

light bulb C will work, but B will not

17.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps
18.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
19.

The total resistance in this circuit is?

a)
100 ohms
b)
450 ohms
c)
400 ohms
d)
30 ohms
20.

The total resistance of this circuit is?

a)

1.52 Ω

b)

120 Ω

c)

.658 Ω

d)

15.2Ω

21.

Find the total resistance of the circuit

a)

200Ω

b)

100Ω

c)

.063Ω

d)

15.8Ω

22.

V1 shows a voltage of 9V. What voltages will V2 and V3 show?

a)

V2: 9V

V3: 9V

b)

V2: 3V

V3: 6V

c)

V2: 6V

V3: 3V

d)

V2: 15V

V3: 12V

23.
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.