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Worksheets

Electronics - basics

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

Which number shows the coil in this relay?

a)

1

b)

2

c)

3

d)

4

2.

What is it?

a)

fuse

b)

relay

c)

light bulb

d)

Keys

3.

instrument cluster

a)

Can only let you what speed your going

b)

Several different gauges and warning lights mounted in it

c)

A place to keep paperwork

d)

Shows you what's playing on the radio and Back up camera

4.

If the switch is closed, the lamp is turned off.

What type of relay is this?

a)

Changeover relay.

b)

Normally-open (NO) contact relay.

c)

Normally-closed (NC) contact relay.

5.

This symbol Ω represents wattage

a)

True

b)

Fales

6.

Which ones are electrons?

a)

1

b)

2

c)

3

7.

Which meter is connected to measure the current through the lamp?

a)

1

b)

2

8.

All three stand for Amperage

A

I

Current

a)

True

b)

Fales

9.

Which parts of an atom are negatively charged?

a)

Electrons

b)

Protons

c)

Neutrons

10.

What is true regarding this atom?

a)

This atom has a neutral charge.

b)

This atom has a positive charge.

c)

This atom has a negative charge.

11.

Which number shows the soft-iron core in this relay?

a)

1

b)

2

c)

3

d)

4

12.

What is the unit for resistance?

a)

Ampere

b)

Ohm

c)

Volt

13.

What side of the battery do you remove first?

a)

positive

b)

negative

14.

Which number is the test socket you would measure Current up to 10A

a)

1

b)

2

c)

3

d)

4

15.

What is true regarding this atom?

a)

This atom has a neutral charge

b)

This atom has a negative charge

c)

This atom has a positive charge

16.

What is a symbol for voltage?

a)

V

b)

I

c)

R

17.

What type of signal does the current clamp send to the multimeter?

a)

A current in the Milliamperes (mA) scale.

b)

A voltage in the millivolts (mV) scale.

c)

A current in the amperes (A) scale.

d)

A Voltage in the volts (V) scale.

18.

True or Fales

The diagram below shows a 12 V battery.

(a)  

19.

Yes or no

If you were to remove lamp 2 from the circuit, what lamp 1 and 3 still be lit?

(a)  

20.

What is it?

a)

Parallel Circuit

b)

Multimeter / current clap

c)

Series Circuit

d)

A hat