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Parallel Circuits

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.
The current has only has one loop to flow through in this circuit. 
a)
Series Circuit 
b)
Parallel Circuit 
2.

Based on the picture, which of the following is TRUE?

a)

The picture shows a parallel circuit

b)

No current would flow due to having an open switch

c)

There is ONE battery that pushes current counterclockwise

d)

There are TWO resistors that are using the electric current

3.

You remove any ONE of the light bulbs on one of the branches. What happens?

a)
The other bulbs will go out.
b)
The other bulbs will stay on
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
4.

In which configuration is the current through a single lightbulb the greatest?

a)

A

b)

B

c)

C

d)

A, B, and C are the same.

5.

In which configuration is the voltage drop across a single lightbulb the greatest?

a)

A

b)

B

c)

C

d)

A, B, and C are the same.

6.

Which of the two circuits would have the brightest bulbs?  *Assume same voltage (batteries) and same resistance (bulbs).

a)
A
b)
B
7.
When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in __________.
a)
parallel
b)
series
c)
open
d)
closed
8.

Each battery is a 10-V battery. What is the voltage difference between points B and D?

a)

10 V

b)

20 V

c)

30 V

d)

40 V

9.

In which configuration is the total current the greatest?

a)

X

b)

Y

c)

Z

d)

X, Y, and Z are the same.

10.

There are TWO 1.5V batteries pictured. What is the Voltage supplied to each of the three branches?

a)

6 volts

b)

4.5 volts

c)

3 volts

d)

1.5 volts

e)

1 volt

11.

If another bulb is added in a parallel circuit, each bulb would

a)

stay the same

b)

get dimmer

12.

solve for the voltage drop across R2

a)

15 v

b)

50 v

c)

25 v

d)

33 v

13.

Solve for the voltage generated by the battery

a)

15 v

b)

150 v

c)

50 v

d)

33 v

14.

Solve for the current flowing through R1.

a)

50 ma

b)

50 a

c)

40 ma

d)

39 ma

15.

Solve for the current flowing through R2.

a)

10.3 ma

b)

28.3 ma

c)

16.4 ma

d)

8.3 ma