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The energy stored in an inductor of self-inductance L carrying current I is

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Important Questions on Electromagnetic Induction

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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 12
Inductance is the ratio of total magnetic flux linkage to _____ .
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 13
The magnetic flux linked with a coil is changing with time t(second) according to ϕ=6t2−5t+1. Where ϕ is in Wb. At t=0.5S, the induced current in the coil is _____. The resistance of the circuit is 10Ω.
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 14
The magnetic energy per unit volume is equal to _____ .
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 15
If the core of a long solenoid is filled with a magnetic material of relative permeability μr then self inductance becomes _____ times.
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 16
As soon as current is switched on in a high-voltage wire, the bird sitting on it flies away, why?
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 17
Does the change in magnetic flux induce emf or current?
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 18
Name the SI unit of magnetic flux and magnetic induction.
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 19
Does Lenz's law hold for an open circuit ?