EASY
10th ICSE
IMPORTANT
Earn 100

Complete the following sentence :
The current is induced in a closed circuit only if there is _________.

Important Questions on Electro-Magnetism

MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 10 - Electro-Magnetism>EXERCISE-10(C)>Q 8
In which of the following case does the electromagnetic induction occur?
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 10 - Electro-Magnetism>EXERCISE-10(C)>Q 9
A conductor is moved in a varying magnetic field. Name the law which determines the direction of current induced in the conductor.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 10 - Electro-Magnetism>EXERCISE-10(C)>Q 10
State Fleming’s right hand rule.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 10 - Electro-Magnetism>EXERCISE-10(C)>Q 11
What is Lenz’s law?
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 10 - Electro-Magnetism>EXERCISE-10(C)>Q 12
Why is it more difficult to move a magnet towards a coil which has large number of turns?
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 10 - Electro-Magnetism>EXERCISE-10(C)>Q 13
Explain why an induced current must flow in such a direction so as to oppose the change producing it.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 10 - Electro-Magnetism>EXERCISE-10(C)>Q 14
Explain the significance of Lenz’s law to show the conservation of energy in electromagnetic induction.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 10 - Electro-Magnetism>EXERCISE-10(C)>Q 15

The following diagram in Figure shows a coil of several turns of copper wire near a magnet NS. The coil is moved in the direction of arrow shown in the diagram.

In what direction does the induced current in coil flow?

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