Electromagnetic Field Theory
For a linear electromagnetic circuit, which of the following statement is true?

 Field energy is greater than the co-energy.
 Field energy is equal to the co-energy.
 Co-energy is zero.
 Field energy is lesser than the co-energy.

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

 Actual power of the circuit is zero.
 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.

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