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7th CBSE
IMPORTANT
Earn 100

What is the use of an armature in an electric bell?

Important Questions on Electric Current and Circuits

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Electric Current and Circuits>Exercise>Q 1
In an open circuit, the electric component that remains open is :
EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Electric Current and Circuits>Exercise>Q 2
The symbol of a _____ consists of parallel lines of different length.
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7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Electric Current and Circuits>Exercise>Q 3
Electric current flowing through a wire can produce 
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7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Electric Current and Circuits>Exercise>Q 4
Which metal is used as the filament in the bulb?
MEDIUM
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Electric Current and Circuits>Exercise>Q 5
Electromagnet is used in which of the following devices
EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Electric Current and Circuits>Exercise>Q 1

Name the following :

Combination of two or more cells 

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Electric Current and Circuits>Exercise>Q 2

Name the following :

In an electric circuit diagram, the term denoted by the arrow marked over the connecting wire symbol. (Choose from: Current/ Potential/ Charge)

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Electric Current and Circuits>Exercise>Q 3

Name the following :

A device that glows and produces heat when current flows through it.