EASY
7th CBSE
IMPORTANT
Earn 100

What are electric elements? Draw the symbol of the electric element variable resistance.

Important Questions on Electric Current and Its Effects

EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 14 - Electric Current and Its Effects>EXERCISES>Q VI

Draw the symbols of the following electric element.

One-way switch

EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 14 - Electric Current and Its Effects>EXERCISES>Q VI

Draw the symbols of the following electric element.

An electric cell

MEDIUM
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 14 - Electric Current and Its Effects>EXERCISES>Q VI
What is a closed electric circuit? Which electric element should be used so as to open the closed electric circuit?
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 14 - Electric Current and Its Effects>EXERCISES>Q VI

What is the use of the following electric element in an electric circuit?

Voltmeter

EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 14 - Electric Current and Its Effects>EXERCISES>Q VI
What is the use of the following electric element in an electric circuit?

Galvanometer

EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 14 - Electric Current and Its Effects>EXERCISES>Q VI

What is the use of the following electric elements in an electric circuit?

Ammeter

EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 14 - Electric Current and Its Effects>EXERCISES>Q VI
Which material produce heat energy when electric current is passed through them and why?
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 14 - Electric Current and Its Effects>EXERCISES>Q VI
Name four devices in which only heating effect of current is used.