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7th CBSE
IMPORTANT
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An electric bell has a U-shaped electromagnet.

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Important Questions on Electric Current and its Effects

EASY
7th CBSE
IMPORTANT
Science Booster>Chapter 15 - Electric Current and its Effects>Check Point 3>Q 5
Electromagnetism was first studied by Hans Christian Oersted.
EASY
7th CBSE
IMPORTANT
Science Booster>Chapter 15 - Electric Current and its Effects>PRACTICE TIME>Q A
A soft iron strip used in an electric bell is called.
EASY
7th CBSE
IMPORTANT
Science Booster>Chapter 15 - Electric Current and its Effects>PRACTICE TIME>Q A
The glowing part of a bulb is called _____.
EASY
7th CBSE
IMPORTANT
Science Booster>Chapter 15 - Electric Current and its Effects>PRACTICE TIME>Q A
Select a good conductor of electricity.
EASY
7th CBSE
IMPORTANT
Science Booster>Chapter 15 - Electric Current and its Effects>PRACTICE TIME>Q A
Which metal is the best conductor of electricity?
EASY
7th CBSE
IMPORTANT
Science Booster>Chapter 15 - Electric Current and its Effects>PRACTICE TIME>Q A
An electric bell makes use of
EASY
7th CBSE
IMPORTANT
Science Booster>Chapter 15 - Electric Current and its Effects>PRACTICE TIME>Q A
The strength of an electromagnet does not depend upon the
EASY
7th CBSE
IMPORTANT
Science Booster>Chapter 15 - Electric Current and its Effects>PRACTICE TIME>Q A
A fuse is a