Electronics GK MCQ question and answer with solution | Physics Gk MCQs

A. High resistivity p-n junction diode

B. Slow switching device

C. Amplifier device

D. Highly doped p-n junction diode

A. The impurity having five valence is added

B. Three valent impurities

C. Both types of compounds

D. None of these

A. Incandescent bulb

B. Fluorescent tube light

C. Compact fluorescent lamp

D. LED bulb

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

B. Both A and R are true, but R is not the correct explanation of A

C. A is true, but R is false

D. A is false, but R is true

A. Under extreme temperature conditions

B. With forward biased

C. Under reverse biased

D. Due to manufacture defects

A. electrons are the only carriers

B. holes are the only carriers

C. electrons are the majority carriers and holes are the minority carriers

D. None of the above

A. Half wave rectifier

B. Full wave rectifier

C. AC voltage stabiliser

D. DC voltage stabiliser

A. low cost

B. low dissipation energy

C. capability of handing large power

D. electrons having high mobility than holes

A. free electrons

B. conduction electrons

C. ions

D. holes

A. Wrist watch

B. Fuse

C. Hearing aid

D. Fluorescent lamp