The EMF equation e = N‚âà√¨‚àö¬¢r‚âà√≠¬¨‚àÇ – McqOptions

MCQOPTIONS

1.	The EMF equation e = N‚âà√¨‚àö¬¢r‚âà√≠¬¨‚àÇsin‚âà√¨‚àö¬¢rt is applicable to ____________$
A.	AC systems with time variant field flux
B.	DC systems with time variant field flux
C.	Both AC and DC systems with time invariant field flux
D.	Both AC and DC systems with time variant field flux
Answer» D. Both AC and DC systems with time variant field flux

Discussion

No Comment Found

Related MCQs

A_POLYPHASE_INDUCTION_MOTOR_OF_THE_SLIP_RING_OR_WOUND_ROTOR_TYPE_CAN_BE_USED_____________?$
IN_AN_AC_MACHINE,_THE_EFFECT_OF_DISTRIBUTING_THE_TURNS_IN_DIFFERENT_SLOTS,_RESULTS_IN_A_FURTHER_REDUCTION_OF_GENERATED_EMF_BY_THE_FACTOR_KD._THIS_FACTOR_IS_CALLED_____________?$
If the rotor of an induction motor is made to revolve in a direction opposite to the rotating flux wave, then RMS value of EMF induced in one phase of rotor E is proportional to ____________$
The equation for slip speed is ____________$
The DC machines are designed with flat topped flux density waves because
The short pitch winding for an alternator gives
A 6 pole machine is rotating at a speed of 1200rpm. This speed in mechanical rad/sec and electrical radians per second is respectively
If the dimensions of all the parts of a synchronous generator and the number of field and armature turns are doubled, then the generated voltage will change by a factor of
The EMF generated in an alternator depends upon
In an alternator, frequency per revolution is equal to