Computer Programming MCQs

A. Ac – dc converters
B. Ac – ac converters
C. Dc – ac converters
D. Dc – dc converters

A. Decays as 1 / r, where r is the separation distance between the emitter and the receptor
B. Decays as r, where r is the separation distance between the emitter and the receptor
C. Decays as 1 / 2 r, where r is the separation distance between the emitter and the receptor
D. Decays as 2r, where r is the separation distance between the emitter and the receptor

A. Only at turn – on
B. Only at turn – off
C. Both at turn on and off
D. None of these

A. Do not contribute to the collector current
B. Result in net current flow component into the base
C. Contribute to the collector current
D. Only (a) and (b)

A. Is equal to the source resistance
B. Greater than the source resistance
C. Smaller than the source resistance
D. None of these

A. Negative resistance characteristics
B. Goes into avalanche condition
C. Voltage drop snaps back
D. All of these

A. Decrease with frequency
B. Remains same with change in frequency
C. Increase with frequency
D. Either a. or b.

A. Triac
B. Scr
C. Gto
D. Only (a) and (b)

A. Diode and capacitor
B. Capacitor and scr
C. Inductor and capacitor
D. Capacitor and load

A. Equal to the input frequency
B. Twice the input frequency
C. Three times the input frequency
D. Six times the input frequency