defence exam BSF Head Constable (RO/RM) Mock Test 2023 Physics Electromagnetic Oscillations and Alternating Current Transformers
The number of turns in primary and the secondary coils in a transformer are 800 and 24000, respectively, If the current in the secondary is 6.0 A, the current in the primary is:
1
90 A
2
120 A
3
150 A
4
180 A