If the supply voltage for a D.C. motor is increased, which of the foll – McqOptions

MCQOPTIONS

1.	If the supply voltage for a D.C. motor is increased, which of the following willdecrease ?
A.	Starting torque
B.	Operating speed
C.	Full-load current
D.	All of the above
Answer» D. All of the above

Discussion

No Comment Found

Related MCQs

The degree of mechanical vibrations produced by the laminations of a transformer depends on
The no-load current drawn by transformer is usually what per cent of the full-load current ?
Auto-transformer makes effective saving on copper and copper losses, whenits transformation ratio is
In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of
To get the speed of D.C, motor below the normal without wastage of electrical energy is used.
In a D.C. shunt motor, under the conditions of maximum power, the current inthe armature will be
By looking at which part of the motor, it can be easily confirmedthat a particular motor is D.C. motor?
In case-the conditions for maximum power for a D.C. motor are established,the efficiency of the motor will be
Which of the following law/rule can he used to determine the direction of rotationof D.C. motor ?
Which of the following load normally needs starting torque more than therated torque?