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Physics-

General

Easy

Question

The primary winding of transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an ac supply of $20 blank V comma blank 50 blank H z$ . The secondary will have an output of

$200 V, 50 H z$
$2 V, 50 H z$
$200 V, 500 H z$
$2 V, 5 H z$

The correct answer is: $200 blank V comma blank 50 blank H z$

$fraction numerator V subscript s end subscript over denominator V subscript p end subscript end fraction equals fraction numerator N subscript s end subscript over denominator N subscript p end subscript end fraction rightwards double arrow fraction numerator V subscript s end subscript over denominator 20 end fraction equals fraction numerator 5000 over denominator 500 end fraction rightwards double arrow V subscript s end subscript equals 200 blank V$
Frequency remains unchanged

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