EASY
7th CBSE
IMPORTANT
Earn 100

Name the materials used for making:

(a) heating element of an electric heater

Important Questions on Electric Current and Its Effects

EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q G
Name any four electrical appliances in which the heating effect of electric current is utilised.
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q G
Give the relationship between the amount of electric current passed and the heat produced.
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q H
 What is meant by resistance of a wire?
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q H
What is meant by overloading of an electrical circuit?
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q H
On what principle an electric bell works? What does it consist of?
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q I
Give the electrical symbols for a resistance.
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q I
Give the electrical symbols for electric cell.
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q I
Give the electrical symbols for battery.