Ques3
Asked by rbhatt16
18th July 2018,
12:51 PM
Answered by Expert
Answer:
(A) A for electro magents and B for electric generators
- false. For electromagnets, it is preferred to have material of low retentivity . but graph(A) shows high retentivity
(B) A for transformer and B for electric generators
- false. For transformer, area of hysteresis curve should be less so that less power dissipation is taking place in transformer material
(C) B for electro magenet and transformer
- true. graph(B) shows low retentivity and low area enclosed by hysteresis curve
(D) A for electric generator and transformer
- false. explanation is given already
Answered by Expert
18th July 2018,
4:33 PM
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