EASY
7th CBSE
IMPORTANT
Earn 100

The heating element of an electric iron is made of tungsten.
(a)True
(b)False

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Important Questions on Electric Current and Its Effects
EASY
7th CBSE
IMPORTANT
Compact fluorescent lamp (CFL) works on the heating effect of current.

EASY
7th CBSE
IMPORTANT
An electromagnet does not attract a piece of iron.

EASY
7th CBSE
IMPORTANT
An electric bell has an electromagnet.

EASY
7th CBSE
IMPORTANT
An electromagnet is a temporary magnet.

EASY
7th CBSE
IMPORTANT
State any two effects produced by electric current.

EASY
7th CBSE
IMPORTANT
Which effect of electric current is utilised:
(a) in an electric iron?

EASY
7th CBSE
IMPORTANT
Which effect of electric current is utilised:
(b) in an electric bulb?

EASY
7th CBSE
IMPORTANT
Name the alloy which is used to make the heating elements of electrical heating appliances like an electric iron.
