Electrical Machines
In a step down transformer which one of the following statements is true?

 Secondary current is less than primary current.
 Secondary power is less than primary power.
  Number of secondary turns is less than primary turns.
 Number of secondary turns is more than that of primary.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The factors that are responsible for decrease in terminal voltage of a shunt generator are

 armature resistance, inter poles, armature.
  reduction in field current, effect of armature reaction, armature.
  armature resistance, effect of armature reaction.
 armature resistance, effect of armature reaction.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In an alternator, voltage drops occurs in

  armature resistance, leakage reactance, armature reaction and earth connection.
  armature resistance, leakage reactance and armature reaction.
  armature resistance only.
  armature resistance and leakage reactance.

ANSWER DOWNLOAD EXAMIANS APP