EASY
7th CBSE
IMPORTANT
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We can strengthen electromagnets by increasing _____ of the coil.

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Important Questions on Electricity and Magnetism

EASY
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 14 - Electricity and Magnetism>Chapter Review>Q 4
A magnetic needle placed near a current-carrying conductor deflects due to _____ effort of electricity.
EASY
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 14 - Electricity and Magnetism>Chapter Review>Q 5
A microwave oven does not work when the door is open because of:
EASY
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 14 - Electricity and Magnetism>Chapter Review>Q 6
In an electric bell, electromagnet attracts _____ towards itself.
EASY
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 14 - Electricity and Magnetism>Chapter Review>Q 1
An electric circuit also contains a _____ (Switch/bulb/Fuse) to start and stop the flow of current in the circuit.
EASY
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 14 - Electricity and Magnetism>Chapter Review>Q 2
In a _____ (Series/Parallel) circuit, even if one bulb blows a fuse or an appliance stops working, the rest of the circuit will remain operational.
EASY
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 14 - Electricity and Magnetism>Chapter Review>Q 3
A conductor with a high resistance is called a _____. (Resistor/Capacitor)
EASY
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 14 - Electricity and Magnetism>Chapter Review>Q 4
_____ (MCB/Wire) is another safety device used in place of a fuse.
EASY
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 14 - Electricity and Magnetism>Chapter Review>Q 5
The study of the relationship between electricity and magnetism is called _____.