72. Fora given torque, increasing diverter- resistance of a de series motor :
(A) Decreases its speed, but armature current remains the same
(B) Decreases its speed, reducing armature current
(C) Increases its speed, reducing armature current
(D) Increases its speed, but armature current remains the same
78. Triac can be used in:
(൨) ae voltage regulator (B) inverter
(൮ cyeloconverter (D) solid state type of devices
74, A boost regulator has an input voltage o....
See more