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M2 parallel and series circuits

Total questions: 10

Worksheet time: 14mins

Name
Class
Date
1.
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.
2.
In a parallel circuit if one of the light bulbs burns out the rest _________.
a)

stop the flow of electricity

b)

 can still light up

c)

 will go out

d)

of the light bulbs burn out also

3.

The equivalent resistance (total resistance) for the circuit shown is ___.

a)

0.333 ohms

b)

3 ohms

c)

31 ohms

d)

10 ohms

e)

6 ohms

4.

The equivalent resistance (total resistance) for the circuit shown is ___.

a)

0.333 ohms

b)

3 ohms

c)

31 ohms

d)

25 ohms

e)

15 ohms

5.

In order to have current flow, it is necessary to have ___.

a)

a source of potential difference and some resistance

b)

a complete closed path for charge and a switch

c)

a complete closed path for charge and some resistance

d)

a source of potential difference and a complete closed path for charge

e)

some resistance and a way to calculate power

6.

Three 9-ohm resistors connected in series have a total resistance of ___.

a)

27 ohms

b)

9 ohms

c)

3 ohms

d)

18 ohms

e)

4.5 ohms

7.

Three 9-ohm resistors connected in parallel have a total resistance of ___.

a)

27 ohms

b)

3 ohms

c)

18 ohms

d)

4.5 ohms

8.

The picture shows the circuit diagram symbol for which item?

a)

Cell

b)

Switch

c)

Bulb

d)

Fuse

9.

How should a voltmeter be placed in order to measure the potential difference across the 24-Ω resistor?

a)
b)
c)
d)
10.

The voltage drop across R1 is ______________________________ V.

a)

20

b)

30

c)

40

d)

50