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TRANSFORMERS

Transformers
What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary?

0.4
0.96
4
9.6

ANSWER DOWNLOAD EXAMIANS APP

Transformers
A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is

78 Ω
7.8 Ω
1.3 Ω
13 Ω

ANSWER DOWNLOAD EXAMIANS APP
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