engineering recuitment CSPTCL JE Electrical Mock Test 2023 Electrical Machines Transformer Transformer Equivalent Circuit
Consider the following CORRECT statements.
1) Magnetising current in a 1 ϕ transformer is sinusoidal
2) Magnetising currents in the 3 phase supply lines of a 3 phase transformer are sinusoidal
3) Magnetising current in a 1 ϕ transformer is non-sinusoidal but the induced voltages are sinusoidal
1
1 and 3
2
2 only
3
2 and 3
4
3 only