Q8
A transformer cannot raise or lower the voltage of a D.C. supply because
A.
There is no need to change the D.C. voltage
B.
A D.C. circuit has more losses
C.
Faraday's laws of electromagnetic induction are not valid since the rate of change of flux is zero
AnswerD.
None of the above
Answer: Option C
Solution
Answer: Option C
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