Electrical Machines
R1 is the resistance of the primary winding of the transformer. The turn ratio in terms of primary to secondary is K. Then the equivalent resistance of the primary referred to secondary is

 K²R1
 R1 /K²
 K×R1
 R1 /K

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 10 kW, 230 V, dc shunt machine has four terminals brought out through four leads. For this machine

 both the windings have thin leads
 armature winding has thick leads whereas field winding has thin leads
 armature winding has thin leads whereas field winding has thick leads
 both the windings have thick leads

ANSWER DOWNLOAD EXAMIANS APP