MEDIUM
7th CBSE
IMPORTANT
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An electric iron works on the principle of effect of electric current.

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Important Questions on Electric Current and Its Effects

MEDIUM
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 14 - Electric Current and Its Effects>Exercises>Q 3

The inner side of a fluorescent tube is coated with a white material called _____.

MEDIUM
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 14 - Electric Current and Its Effects>Exercises>Q 4

The current flows if the circuit is _____(closed/open).

EASY
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 14 - Electric Current and Its Effects>Exercises>Q 5
Of what material is the filament of the electric bulb made?
EASY
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 14 - Electric Current and Its Effects>Exercises>Q 1
The heating element of an electric iron is made of tungsten.
EASY
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 14 - Electric Current and Its Effects>Exercises>Q 2
An MCB works on the magnetic effect of current.
MEDIUM
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 14 - Electric Current and Its Effects>Exercises>Q 3

An electric bell works on the magnetic effect of current.

EASY
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 14 - Electric Current and Its Effects>Exercises>Q 4
At the time of short circuit, the current in the circuit increases heavily.
MEDIUM
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 14 - Electric Current and Its Effects>Exercises>Q 5

An electromagnet is a permanent magnet.