Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Physics Electromagnetic Oscillations and Alternating Current Transformers
A current of 5A is flowing at 220 V in the primary coil of a transformer. If the voltage produced in the secondary coil is 2200 V and 50% of power is lost, the current in the secondary will be
1
2.5 A
2
5 A
3
0.25 A
4
0.5 A