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Physics CBSE Live product
Class 8 (2026-27)
Electricity: Magnetic and Heating Effect
Magnetic Field around Current Carrying Wire
7.
Magnetic behaviours
Question:
5
m.
Choose the correct answer:
1.
Electric current
-
The flow of electric charge that produces electricity in a coil
The flow of electric charge that produces magnetism in a coil
The flow of electric charge that produces force in a coil
The force that produces current in a coil
2.
Polarity
-
The size of the electromagnet
The resistance of the coil
The arrangement of north and south poles of an electromagnet
The strength of the magnetic field
3.
Iron core insertion
-
Inserting a soft iron core increases magnetic strength
Inserting a soft wood core increases magnetic strength
Inserting a soft wood core decreases magnetic strength
Inserting a soft iron core decreases magnetic strength
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