Electromagnetic Field Theory
Which of following is true for a purely inductive circuit ?

 Apparent power of the circuit is zero.
 Reactive power of the circuit is zero.
 Any capacitance even if present in the circuit will not be charged.
 Actual power of the circuit is zero.

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Electromagnetic Field Theory
The wave in wave guide has

Larger wavelength than in the free space
Group velocity inversely proportional to wavelength
Diminishing wavelength than in the free space
Larger frequency than in the free space

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