The test that can be used for determination of no-load losses in a large dc shunt machine is 

  • ABrake test
  • BField test
  • CHopkinson?s test
  • DSwinburne?s test
Correct Answer : (D)

Swinburne?s test

Hints :

The current drawn by a 120 V dc motor with back emf of 110 V and armature resistance of 0.4 ohm is


With the increase in speed of a dc motor

Join The Discussion