Category: Electronics MCQs

(A) Ammeter
(B) Rotar
(C) Stator
(D) Armature

Answer: (B) Rotar
Rotating part of ac motor is rotar.

(A) Hertz
(B) Farad
(C) Ohm
(D) Henry

Answer: (A) Hertz
The unit of frequency is hertz.

(A) 110 volt
(B) 220 volt
(C) 250 volt
(D) 300 volt

Answer: (B) 220 volt
Electric pressure of incoming AC supply 220 volt to the houses.

(A) Laser diode and LED must be in same package
(B) Laser diode and photodiode must be in same package
(C) Laser diode and photodiode are place at either end of optical fiver cable
(D) None of these

Answer: (B) Laser diode and photodiode must be in same package

(A) Run a memory self test program when the system is switched on
(B) store the system software
(C) Process data and generate signals necessary to central the system
(D) Store the user’s application package

Answer: (C) Process data and generate signals necessary to central the system