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7th CBSE
IMPORTANT
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The filament of an electric bulb is made of:

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Important Questions on Electric Current and Its Effects

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7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 14 - Electric Current and Its Effects>EXERCISES>Q I
When the live wire and the neutral wire of a circuit come in direct contact with each other in an electric device, it is called:
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7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 14 - Electric Current and Its Effects>EXERCISES>Q I
A fuse is a safety device in an electric circuit which melts and breaks the electric circuit when the circuit gets overloaded due to:
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7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 14 - Electric Current and Its Effects>EXERCISES>Q I
The common household appliances which are based on the heating effect of current are:
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7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 14 - Electric Current and Its Effects>EXERCISES>Q I
Whenever current is passed through a straight conductor, it behaves like a:
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7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 14 - Electric Current and Its Effects>EXERCISES>Q I
Electric bell is the -
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7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 14 - Electric Current and Its Effects>EXERCISES>Q II

List: Elements, nichrome, right angle, cartridge, permanent, high, open, insulator, magnetic, coil

Current does not flow in an _____ electric circuit.

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

The devices placed in an electric circuit are known as its _____.

List: Elements, nichrome, right angle, cartridge, permanent, high, open, insulator, magnetic, coil.

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

List: Elements, nichrome, right angle, cartridge, permanent, high, open, insulator, magnetic, coil

Air is an _____ of electricity.