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प्रश्न
An ideal transformer has 100 turns in the primary and 250 turns in the secondary. The peak value of the AC is 28 V. The rms secondary voltage is nearest to ______
पर्याय
100 V
70 V
50 V
40 V`
उत्तर
An ideal transformer has 100 turns in the primary and 250 turns in the secondary. The peak value of the AC is 28 V. The rms secondary voltage is nearest to 50 V.
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संबंधित प्रश्न
Derive an expression for e.m.f. and current in terms of turns ratio
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