In dielectric measurement, the dielectric loss is proportional to a) F b) V c) I d) Vsqr

In dielectric measurement, the dielectric loss is proportional to
a) F
b) V
c) I
d) Vsqr
by

1 Answer

Answer :

Ans: Vsqr
by

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Compute the loss factor when the loss tangent is 0.88 and the real part of dielectric is 24. a) 12.12 b) 12.21 c) 21.21 d) 21.12

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The bridge used to measure the dielectric loss of an insulator is:

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For an insulating material, dielectric strength and dielectric loss should be respectively

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A 220/440 V, 50 Hz, 5 KVA, single phase transformer operates on 220V, 40Hz supply with secondary winding open circuited. Then (A) Both eddy current and hysteresis losses decreases. (B) Both eddy current and hysteresis losses increases. (C) Eddy current loss remains the same but hysteresis loss increases. (D) Eddy current loss increases but hysteresis loss remains the same.

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Magnitude of induced e.m.f is proportional to A. rate of change of current B. rate of change of voltage C. rate of change of magnetic flux linkage D. rate of change of resistance

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