MCQ

1. In a 50 kVA transformer the number of turns in the primary and secondary windings are 834 and 58 respectively. If the primary is connected to 3300 V supply the secondary current will be (a) 15 A (b) 30 A (c) 218 A (d) 238 A 2. If full load copper loss of a […]

1. In a power transformer (a) primary winding is closer to core (b) secondary winding is closer to core (c) low voltage winding is closer to core (d) high voltage winding is closer to core 2. In a transformer, the magnetic coupling between primary and secondary circuit can be increased by (a) increasing the number