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Peak inverse voltage of each diode in a bridge rectifier is
A) Vm B) 2Vm C) Vm/2 D) 3Vm

For the capacitor filter, under no load condition, the ripple is
A) Max B) 0 01 D) None

In the diode volt ampere characteristics what will be the resistance, if a slope is drawn
between the voltages 50 to 100 and corresponding current 5 to 10 ?
A) 100 Q 8) 50൨ C) 102 0) 52

In a zener regulator, the change in load current produces, change in
A) Zener voltage B) Zener current
C) Both A) and B) D) None of the above

For a filter, no load output voltage is 300 V and full load output voltage is 280 V.
The regulation of the circuit is
A) 9.6% B) 4.2% C) 6.75% D) 7.1%

A series LCR circuit is resonant at 150 kHz and has a Q of 50. The lower half power
frequency is
A) 153 kHz B) 148.5 kHz C) 147.5 kHz D) 200 kHz

A 220 V DC motor has an armature resistance of 0.5 Q and the full load armature
current of 20 A, then the back emf induced is

A) 210V B) ۷ C) 250V 00 ۷
Transformers are rated in KVA, because they are working with

A) Varying voltage B) Varying current

C) Varying power D) Varying power factor

In slip ring induction motor which type of speed control is used ?
A) Rotor rheostat B) Stator rheostat
C) Flux control D) Armature control

Superposition theorem can be applicable only to circuits having

element.
A) Non-linear B) Passive
C) Linear bilateral D) Resistive