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Electricity Revision

Total questions: 18

Worksheet time: 10mins

Name
Class
Date
1.

Current is...

a)

the flow of charge (electrons) measured in amps (A)

b)

the amount of energy that each electron has measured in volts (V)

c)

the difficulty of the flow of charge (electrons) measured in ohms (Ω)

2.

Potential difference is...

a)

the flow of charge (electrons) measured in amps (A)

b)

the amount of energy that each electron has measured in volts (V)

c)

the difficulty of the flow of charge (electrons) measured in ohms (Ω)

3.

Resistance is...

a)

the flow of charge (electrons) measured in amps (A)

b)

the amount of energy that each electron has measured in volts (V)

c)

the difficulty of the flow of charge (electrons) measured in ohms (Ω)

4.

Charge is caused by...

a)

positive electrons

b)

negative electrons

c)

positive protons

d)

negative protons

5.

If an object gains electrons it becomes...

a)

negative

b)

positive

6.

If an object loses electrons it becomes...

a)

positive

b)

negative

7.

Oppositely charged objects will...

a)

repel

b)

attract

8.

objects with the same charge will...

a)

repel

b)

attract

9.

this is an example of a...

a)

series circuit

b)

parallel circuit

10.

If 3 A passes through one bulb, how much will pass through the other one?

a)

6 A

b)

3A

c)

1.5 A

11.

The cell supplies 12V. How much will each bulb receive?

a)

6V

b)

12V

c)

24V

12.

This is an example of a ...

a)

series circuit

b)

parallel circuit

13.

If the current coming out of the battery is 24 A, how much will each bulb receive?

a)

12 A

b)

24 A

c)

48 A

14.

If the cell supplies 12V, how much will each bulb receive?

a)

12 V

b)

24 V

c)

48 V

15.

Which three are examples of electrical insulators?

a)

wood

b)

copper

c)

gold

d)

plastic

16.

Which is an example of an electrical conductor?

a)

rubber

b)

copper

c)

glass

d)

plastic

17.

When you rub a balloon on your jumper, electrons are transferred. The balloon sticks to your jumper because they are now...

a)

oppositely charged

b)

negatively charged

c)

positively charged

18.

Which would increase the resistance and therefore decrease the current in a circuit? (choose 2)

a)

longer wire

b)

thinner wire

c)

shorter wire

d)

thicker wire