engineering recuitment PSTCL ALM (Assistant Lineman) 2021 Mock Test Electrician and Wireman Electrical Machines Transformers
A transformer has a 200-turn primary winding. If a voltage of 240 V is supplied to the winding and the maximum flux is 5 mWb, then what will be the frequency of the given voltage?
1
84 Hz
2
78 Hz
3
54 Hz
4
91 Hz