In a transformer, number of turns in the primary coil are 140 and that in the secondary…
Physics · NEET · NTA Exams — Electromagnetic Induction and Alternating Currents
In a transformer, number of turns in the primary coil are 140 and that in the secondary coil are 280. If current in primary coil is 4 A, then that in the secondary coil is
- 4 A
- 2 A
- 6 A
- 10 A
Answer
(B) 2 A
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