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Worksheets

Electricity

Total questions: 32

Worksheet time: 21mins

Name
Class
Date
1.

What is the formula for Watts (P)

a)

P=IV

b)

I=P/V

c)

V=P/I

d)

V=IP

2.

What is this symbol?

a)

Ohmmeter

b)

AC Source

c)

Voltage Source

d)

Voltmeter

3.

Resistance is measured in...

a)

Ohms

b)

Resistance

c)

Pontential Difference

d)

Coulombs

4.

What is this symbol?

a)

Ampmeter

b)

Motor

c)

AC Source

d)

Alternating Current (AC)

5.

What formula is used to calculate resistance in a circuit?

a)

V=IR

b)

R=V/I

c)

I=RV

d)

V=RI

6.

What is this symbol?

a)

Diode

b)

Battery

c)

Resistor

d)

Capacitor

7.

What are the 2 types of circuits

a)

Series and Double

b)

Magnetic and Parallel

c)

Parallel and Direct

d)

Series and Parallel

8.

What is this symbol?

a)

Relay

b)

Center-Tap Transformater

c)

Inductor

d)

Transformer

9.

An electrical current is...

a)

The stream of electrons moving in a circuit

b)

The pressure of electrons moving in a circuit

c)

The opposition of electron flow in a circuit

10.

What is this symbol?

a)

Electron Flow Indicator

b)

Light Emitting Diode

c)

Current Source

d)

Motor

11.

A material that stops the flow of electricity is called...

a)

a Short circuit

b)

a Magnet

c)

a Conductor

d)

an Insulator

12.

What is this symbol?

a)

Motor

b)

Globe

c)

LED

d)

Battery

13.

In a battery, the current flows from...

a)

The Negative Terminal

to

The Positive Terminal

b)

The Positive Terminal

to

The Negative Terminal

c)

The Negative Terminal

to

The Negative Terminal

d)

The Positive Terminal

to

The Negative Terminal

14.

What is this symbol?

a)

Current Source

b)

Light Emitting Diode

c)

Diode

d)

Ground

15.

The function of a rectifier is to...

a)

Convert kinetic energy into electrical energy

b)

Convert AC into DC

c)

Convert electrical energy into kinetic energy

d)

Convert DC into AC

16.

What is this symbol?

a)

Inductor

b)

Ground/Earth

c)

Transistor

d)

Switch

17.

What is this symbol?

a)

Conductor

b)

Inductor

c)

Resistor

d)

Transformer

18.

What is this symbol?

a)

Globe

b)

Motor

c)

Light Emitting Diode

d)

Diode

19.

What is this symbol?

a)

Mosfet

b)

PNP Transistor

c)

Diode

d)

Light Emitting Diode

20.

What is this symbol?

a)

Switch

b)

NPN Transistor

c)

Mosfet

d)

Relay

21.

What is this symbol?

a)

NPN Transistor

b)

Polarized Capacitor

c)

PNP Transistor

d)

Ceramic Capacitor

22.

What is this symbol?

a)

Ohmmeter

b)

Potentiometer

c)

Voltmeter

d)

Ampmeter

23.

What is this symbol?

a)

NPN Transistor

b)

Center-Tap Transformer

c)

SPDT Switch

d)

PNP Transistor

24.

What is this symbol?

a)

Transistor

b)

Polarized Capacitor

c)

SPDT Switch

d)

Capacitor

25.

What is this symbol?

a)

Relay

b)

SPDT Switch

c)

Switch

d)

Transformer

26.

What is this symbol?

a)

Voltage Source

b)

Resistor

c)

Transformer

d)

AC Source

27.

What is this symbol?

a)

Relay

b)

SPDT Switch

c)

Switch

d)

Transistor

28.

What is this symbol?

a)

Button

b)

Closed Switch

c)

relay

d)

Open Switch

29.

What is this symbol?

a)

Transformer

b)

Inductor

c)

Mosfet

d)

Transistor

30.

What is this symbol?

a)

Voltmeter

b)

Ampmeter

c)

Voltage Source

d)

Battery

31.

What is this symbol?

a)

Voltmeter

b)

Ampmeter

c)

Voltage Source

d)

Battery

32.

A parallel circuit has 2 globes.

What will happen if 1 globe breaks?

a)

The electricity will continue to flow

b)

The electricity will stop flowing

c)

The other globe will also break