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Voltage and Current

Total questions: 7

Worksheet time: 18mins

Name
Class
Date
1.

A 12 volts battery is used to generate electricity of three identical light bulbs, it is connected in a simple circuit and labelled as shown. What is the voltage accross the node A-B?

a)

0

b)

12 V

c)

6 V

d)

3 V

2.

A 12 volts battery is used to generate electricity of three identical light bulbs, it is connected in a simple circuit and labelled as shown. The voltage is zero at node . . .

a)

B-C, D-E and F-G

b)

A-B, C-D, E-F and G-H

c)

A-B, B-C, C-D and D-E

d)

all nodes will be valued zero

3.

If the three bulbs are identical. The voltage accross the node D-E will be equal to . . .

a)

12 V

b)

6 V

c)

4 V

d)

0

4.

The electric potential energy is transformed into useful form at the node . . .

a)

A-B, C-D, E-F and G-H

b)

H-A only

c)

B-C, D-E and F-G

d)

AB and G-H

5.

Which one of the nodes where the electric potential energy is not used to do work?

a)

A-B, C-D, E-F and GH

b)

H-A

c)

B-C, D-E andF-G

d)

B-G

6.

The voltage of a dry cell is 1.5 V. What is the energy provided by dry cell to drive 0.5 C of charge around a circuit?

a)

7.5 V

b)

30 V

c)

2 V

d)

1 V

7.

If 30 C of electric charge flows past a point in a wire in two minutes, what is the current in the wire?

a)

60 A

b)

15 A

c)

0.25 A

d)

0.75 A