

MCQOPTIONS
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1. |
Considering transformer as a magnetically coupled circuit, the voltage at the primary of the transformer is _________________ |
A. | R<sub>1</sub>i<sub>1</sub> + L<sub>1</sub>*di<sub>1</sub>/dt M*di<sub>2</sub>/dt |
B. | R<sub>1</sub>i<sub>1</sub> + L<sub>1</sub>*di<sub>1</sub>/dt + M*di<sub>2</sub>/dt |
C. | R<sub>1</sub>i<sub>1</sub> L<sub>1</sub>*di<sub>1</sub>/dt + M*di<sub>2</sub>/dt |
D. | R<sub>1</sub>i<sub>1</sub> L<sub>1</sub>*di<sub>1</sub>/dt M*di<sub>2</sub>/dt |
Answer» B. R<sub>1</sub>i<sub>1</sub> + L<sub>1</sub>*di<sub>1</sub>/dt + M*di<sub>2</sub>/dt | |