The value of a in a transistor

is about 0.1

is about 0.4

is always equal to 1

is less than 1 but more than 0.9

Correct Answer : Option (D) : is less than 1 but more than 0.9

Explanation : A is about 0.98.

Recently Updated in Electronic Devices and Circuits Questions

The kinetic energy of photoelectrons emitted by a photo sensitive surface depends on

angle of incidence of radiation

surface conditions of the surface

intensity of the incident radiation

wavelength of the incident radiation

Correct Answer : wavelength of the incident radiation

For radiating ultraviolet rays, LEDs use

gallium arsenide

zinc sulphide

gallium phosphide

None of the above

Correct Answer : zinc sulphide

For an P-N-P transistor in normal operation its junction are biased as

emitter base : reverse, collector base : reverse

emitter base : reverse, collector base : forward

emitter base : forward, collector base : forward

emitter base : forward, collector base : reverse

Correct Answer : emitter base : forward, collector base : reverse