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ELECTROMAGNETIC INDUCTION

Electromagnetic induction
The direction of induced e.m.f. can be found by

Lenz's law
Fleming's right hand rule
Kirchhoff s voltage law
Laplace's law

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Electromagnetic induction
In an iron cored coil the iron core is removed so that the coil becomes an air cored coil. The inductance of the coil will

Increases
Decreases
None of the listed here
Remains same

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Electromagnetic induction
Higher the self-inductance of a coil,

Lower the e.m.f. induced
Longer the delay in establishing steady current through it
Lesser its weber-turns
Greater the flux produced by it

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Electromagnetic induction
Reversing the field or the current will reverse the force on the conductor.

No
Yes

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Electromagnetic induction
Increasing the field or increasing the current will decrease the force on the conductor.

No
Yes

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