ELECTRONIC DEVICES AND CIRCUITS QUIZ

For full cycle

For less than fourth cycle

Only for the positive half cycle of the input signal

Only for the negative half cycle of the input signal

A variety of stainless steel

A nickel an iron alloy having high permeability

A polymer

A conon-ferrous alloy used in aircraft industry

Intensity of incident radiation

Frequency of incident radiation

Both frequency and intensity of incident radiation

None of these

Only those produced by doping

Only those produced by thermal energy

Any of the above

Those produced by doping as well as thermal energy

Free electrons in N-region only

Holes in P-region only

Majority carriers in both regions

Majority as well as minority carriers in both regions

White portion of spectrum

Red portion of spectrum

Violet portion of spectrum

Green portion of spectrum

The number of free electrons and holes increase but not by the same amount

The number of free electrons increases but the number of holes decreases

The number of free electrons increases

The number of free electrons and holes increase by the same amount

Diode will emit light

Excessive heat may damage the diode

All holes will freeze

All electrons will leave

Both A and R are true and R is correct explanation of A

A is false but R is true

A is true but R is false

Both A and R are true but R is not a correct explanation of A

Zero or forward bias

Reverse bias

Zero bias

Forward bias