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Principles of electricity

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

What are protons and neutrons tightly packed in?

a)

Nucleus

b)

Electron cloud

c)

Atomic shell

d)

Molecular bond

2.

Which type of particle carries a negative charge?

a)

Proton

b)

Neutron

c)

Electron

d)

Positron

3.

Oppositely charged particles interact with each other by:

a)

repelling each other

b)

attracting each other

c)

having no interaction

d)

forming a new particle

4.

What is the difference in electrical potential between two points called?

a)

Voltage

b)

Current

c)

Resistance

d)

Capacitance

5.

What unit is used to measure the difference in electrical potential between the anode and cathode of a battery?

a)

Volt

b)

Ampere

c)

Ohm

d)

Watt

6.

What is the primary function of a resistor in an electrical circuit?

a)

To convert AC to DC

b)

To store energy

c)

To decrease current

d)

To increase voltage

7.

Which subatomic particle is found in the electron cloud surrounding the nucleus?

a)

Electron

b)

Quark

c)

Neutron

d)

Proton

8.

What is the term for the flow of electric charge in a conductor?

a)

Current

b)

Resistance

c)

Voltage

d)

Capacitance

9.

What is the unit of electric current?

a)

Watt

b)

Ohm

c)

Volt

d)

Ampere

10.

What is the term for materials that do not allow electric charge to flow freely?

a)

Superconductors

b)

Semiconductors

c)

Insulators

d)

Conductors

11.

Which subatomic particle is positively charged?

a)

Electron

b)

Neutron

c)

Quark

d)

Proton

12.

What is the term for the opposition to the flow of electric current in a material?

a)

Voltage

b)

Inductance

c)

Resistance

d)

Capacitance