Understanding Electrical Earthing

Understanding Electrical Earthing

Assessment

Interactive Video

Physics, Science

7th - 10th Grade

Practice Problem

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial explains the process of setting up an earthing system near a house using a copper plate and rod. It covers the basics of an electrical circuit, including live and neutral wires, and highlights the importance of earthing in preventing electric shocks by directing fault currents into the ground. The tutorial also describes the components of an electric plug and their connections to appliances.

Read more

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of placing a copper plate in the ground during the earthing process?

To attract lightning

To create a magnetic field

To insulate the house

To establish a connection with the Earth

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is charcoal and salt used in the earthing process?

To reduce installation costs

To insulate the copper plate

To improve the connection with the Earth

To prevent rusting

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the copper rod protected by a hollow insulating pipe?

To enhance conductivity

To avoid accidental contact by humans

To prevent corrosion

To reduce installation costs

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an electrical circuit, what is the role of the live wire?

To return current to the source

To carry current from the source to the appliance

To ground the circuit

To measure voltage

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main function of the neutral wire in an electrical circuit?

To carry current to the appliance

To return current to the source

To measure current

To ground the circuit

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if a faulty appliance's circuit contacts its metal body?

The appliance will overheat

The circuit will automatically repair

The appliance will stop working

It will cause an electric shock to anyone touching it

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the consequence of not having earthing in an electrical circuit?

Higher risk of electric shock

Increased energy efficiency

Improved circuit performance

Reduced appliance lifespan

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?