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Electricity

Total questions: 26

Worksheet time: 44mins

Name
Class
Date
1.

Electric current is defined as

a)

detect electric current

b)

negative terminal to positive terminal

c)

positive terminal to negative terminal

d)

the flow rate of electric charges through a conductor

2.

Electric current flows from

a)

detect electric current

b)

negative terminal to positive terminal

c)

positive terminal to negative terminal

d)

the flow rate of electric charges through a conductor

3.

Electrons flows from

a)

detect electric current

b)

negative terminal to positive terminal

c)

positive terminal to negative terminal

d)

the flow rate of electric charges through a conductor

4.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
5.
What is voltage measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
6.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
7.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
8.
How do you calculate voltage?
a)
Current X Resistance
b)
Resistance ÷ Current
c)
Current ÷ Resistance
d)
Measure it with a ruler
9.
How do you calculate current
a)
Resistance X Voltage
b)
Voltage X Resistance
c)
Resistance ÷ Voltage
d)
Voltage ÷ Resistance
10.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
11.
Which statement best describes the circuit in the diagram?
a)
It is a series circuit.
b)
It is a parallel circuit.
c)
There are 2 paths.
d)
The circuit is opened.
12.

Which of these materials is a good insulator?

a)

gold

b)

copper

c)

silver

d)

plastic

13.

An electric tooth brush is an example of transforming

a)

electricity into heat

b)

electricity into sound energy

c)

electricity into motion energy

d)

electricity into light

14.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
15.

In a circuit diagram, this symbol represents a

a)

switch

b)

multimeter

c)

battery

d)

globe

16.

What type of circuit is this?

a)

Series

b)

Parallel

c)

Simple

17.

If you increase the voltage across a resistor, what will happen to the current?

a)

Current will increase

b)

Current will decrease

c)

Current will stay the same

18.
a)
Motor
b)
Mouse
c)
Ground
d)
Fuse
19.

What type of circuit is this?

a)

Series circuit

b)

Kilowatt circuit

c)

Parallel circuit

d)

potential circuit

20.

This symbol represents a ..........

a)

bulb

b)

wire

c)

cell

d)

resistor

21.

This symbol represents a ..............

a)

valve

b)

voltmeter

c)

Voltage

d)

Vacuum

22.

This symbol represents a ............

a)

angry circle

b)

bulb

c)

Resistor

d)

cell

23.

This symbol represents a ..........

a)

cell

b)

battery

c)

bulb

d)

resistor

24.

This symbol represents a .........

a)

Resistor

b)

Battery

c)

Twix

d)

buzzer

25.

This symbol represents a ...........

a)

A snapped wire

b)

Electrical junction

c)

Switch

d)

L.E.D.

26.

This symbol represents a ..........

a)

Bulb

b)

Battery

c)

Buzzer

d)

Microphone