Home Physics Alternating Current Alternating Current, Voltage and Power Primary voltage is , resistance of the prim…
Physics Alternating Current Alternating Current, Voltage and Power MCQ (Single Correct)

Primary voltage is , resistance of the primary winding is . Turns in primary and secondary are respectively and then secondary current in terms of primary voltage and secondary voltage respectively will be

A
B

C
D

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The correct answer is:
A

Now, according to the information given in the problem, can be calculated by using the formula, so
(This is the secondary current in terms of )
Now to rearrange the result obtained above, in terms of secondary voltage, we must replace the term of in the above result by . We know that , Substituting this in equation (i)

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