In a transformer the transformation ratio is 0.3. If 220 V ac is fed to the primary, then…
Physics · Class 12 · CBSE — Alternating Current
In a transformer the transformation ratio is 0.3. If 220 V ac is fed to the primary, then the voltage across the secondary is
- 44 V
- 55 V
- 60 V
- 66 V
Answer
(D) 66 V
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