Electronic Devices And Circuits MCQ Questions & Answers | ECE

A. Decreases with light doping

B. Is independent of applied voltage

C. Is increased under reverse bias

D. Increases with heavy doping

A. The number of free electrons increases

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

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

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

A. All electrons will leave

B. All holes will freeze

C. Excessive heat may damage the diode

D. Diode will emit light

A. Mica

B. Paraffin wax

C. Air

D. Mineral oil

A. Holes

B. Electrons

C. Ions

D. Holes and electrons

A. 100

B. 99

C. 1.01

D. 0.99

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

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

C. A is true but R is false

D. A is false but R is true

A. Forward bias

B. Reverse bias

C. Zero bias

D. Zero or forward bias

A. True

B. False

A. Only an ohmic region

B. Only a saturation region

C. An ohmic region at low voltage value followed by a saturation region at higher voltages

D. An ohmic region at large voltage values preceded by a saturation region at lower voltages