engineering recuitment JSSC JE Mock Test 2023 Physics Electromagnetic Oscillations and Alternating Current Transformers
The ratio of the number of turns in primary and secondary coils of transformer is 1: 20. The ratio of the currents in the primary and the secondary coils will be
1
1 : 20
2
20 : 1
3
1 : 400
4
400 : 1