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Worksheets

Series and Parallel Circuits

Total questions: 15

Worksheet time: 45mins

Name
Class
Date
1.

What connects all parts of a circuit?

a)

batteries

b)

resistors

c)

wires

d)

capacitors

2.

This is a ________.

a)

parallel circuit

b)

series circuit

c)

open circuit

d)

closed circuit

3.

What is the role of the battery in a circuit?

a)

to provide energy

b)

to store data

c)

to increase resistance

d)

to convert energy

4.

This is a ________.

a)

series circuit

b)

parallel circuit

c)

open circuit

d)

closed circuit

5.

What happens to the brightness of bulbs in a series circuit when more bulbs are added?

a)

They get brighter.

b)

They stay the same.

c)

They get dimmer.

d)

They flicker on and off.

6.

If I disconnect 1 light bulb in a SERIES circuit, then the other light bulbs.....

a)

turn off

b)

stay on

c)

flicker

d)

dim slightly

7.

What is the main difference between series and parallel circuits?

a)

Series circuits have multiple paths; parallel circuits have one path.

b)

Series circuits can handle more current than parallel circuits.

c)

Series circuits have one path; parallel circuits have multiple paths.

d)

Series circuits are used in all electrical devices; parallel circuits are not.

8.

What is the purpose of a switch in a circuit?

a)

to open or close the circuit

b)

to increase the voltage

c)

to decrease the current

d)

to store electrical energy

9.

What do we call the part of the circuit that uses electricity?

a)

source

b)

load

c)

resistor

d)

capacitor

10.

The battery is the _______.

a)

energy source

b)

power supply

c)

voltage regulator

d)

current limiter

11.

What happens to the flow of electricity in a parallel circuit if one path is broken?

a)

Electricity stops flowing completely.

b)

Electricity can still flow through other paths.

c)

The circuit becomes a series circuit.

d)

The voltage increases in the remaining paths.

12.

What is a circuit that is not complete called?

a)

closed circuit

b)

open circuit

c)

short circuit

d)

series circuit

13.

In a parallel circuit, if one light bulb goes out, what happens to the others?

a)

They stay on.

b)

They all go out.

c)

Only the bulb that went out stays off.

d)

They flicker before going out.

14.

A parallel circuit has _____

a)

only one path

b)

more than one path

c)

a single loop

d)

no resistance

15.

In a series circuit, how many paths does the electricity take?

a)

one path

b)

two paths

c)

three paths

d)

multiple paths