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Electronic fundamental

Total questions: 15

Worksheet time: 30mins

Name
Class
Date
1.

All matter is made up of Atoms and an Atoms contains _______

a)

Protons

b)

neutrons

c)

electrons

d)

All of the above

e)

None of the above

2.

Which one the exact charging elements

a)

protons is neutral

b)

electrons is positive

c)

neutrons is negative

d)

All of the above

e)

None of the above

3.

Generating electricity is a devices convert _______ energy and _______ energy?

a)

Mechanical and electrical

b)

chemical and electrical

c)

magnetic and electrical

4.

__________ is renewable energy.

a)

gasoil

b)

Solar

c)

Battery

5.

Electrical energy produced in the form of _____

a)

Resistance

b)

Current

c)

conductor

6.

ohms is the measure unit of _________ .

a)

voltage

b)

current

c)

resistance

d)

battery

7.

Direct current generated from _______

a)

Battery

b)

solar

c)

Fuel

d)

All

e)

None

8.

Hertz (HZ) is the measuring unit of __________ current

a)

Direct

b)

Alternating

9.

An electrical circuit and affect the flow of electricity is called _____

a)

electromagnetic

b)

Inductance

c)

Mutual inductance

10.

Semiconductors have a properties of ______

a)

Conductor

b)

Insulator

c)

both conductor and insulator

11.

____ device is the property of semiconductor.

a)

Diode

b)

Transistor

c)

Microchip

d)

IC(Integrated circuit)

12.

__________ is a current generated by magnetic field rotated along a stationary coil.

a)

AC

b)

DC

13.

I = V/R if the formula of

a)

AC current

b)

DC current

c)

Transistor

d)

Capacitor

14.

_____ is the properties of AC waves form.

a)

Aptitude

b)

Frequency

c)

Phase

15.

The coil or magnet rotates continuously and complete rotation is called _____

a)

Period

b)

frequency

c)

phase

d)

Amptitud