A. D.C.
B. A.C.
C. Both A.C. & D.C.
D. None of the above
Related Mcqs:
- Semi-conductor germanium and silicon are_________________?
A. pentavalent
B. trivalent
C. divalent
D. tetravalent - p-n junction when reversed biased acts as a_______________?
A. capacitor
B. inductor
C. on switch
D. off switch - In the transistor schematic symbol, the arrow_______________?
A. is located on the emitter
B. is located on the base
C. is locate on the collector
D. points form north to south - In p-n-p transistor the collector current is________________?
A. equal to emitter current
B. slightly less than emitter current
C. greater than emitter current
D. any of above - The simplest type of rectification known as half wave rectification is obtained by____________________?
A. using a transistor
B. suppressing the harmonics in A.C voltage
C. suppressing half wave of A.C supply by using diode
D. using a Coolidge tube - The device used for conversion of D.C. to A.C. is called______________?
A. Converter
B. A rectifier
C. Inverter
D. Oscillator - In full wave rectification the output D.C. voltage across the load is obtained for_____________?
A. The positive half cycle of input A.C.
B. The negative half cycle of input A.C.
C. The complete cycle of input A.C.
D. All of the above. - An OP-AMP comparator is a circuit that compares the signal voltage on one of its inputs with a ______________?
A. Non-inverting voltage at output
B. Reference voltage on the other
C. Virtual input
D. Output - The working of transistor as amplifier is similar to________________?
A. Step up transformer
B. Step down transformer
C. Three diodes in common
D. Triode vacuum tube - The specially designed semi-conductor diodes used as fast counters in electronic circuits are_______________?
A. The light emitting diodes
B. Photo diodes
C. Photo voltaic cell
D. Solar cells.
