The normal operation of JFET is
constant voltage region
constant current region
both constant voltage and constant current regions
either constant voltage or constant current region
Correct answer is B
In major portion of drain characteristics, ID is constant.
The power dissipation in a transistor is the product of
emitter current and emitter to base voltage
emitter current and collector to emitter voltage
collector current and collector to emitter voltage
none of the above
Correct answer is C
Maximum power dissipation occurs at collector junction.
Which of the following is true as regards photo emission?
Velocity of emitted electrons is dependent on light intensity
Rate of photo emission is inversely proportional to light intensity
Maximum velocity of electron increases with decreasing wave length
Both holes and electrons are produced
Correct answer is C
As wavelength decreases, frequency increases and maximum velocity of electron increases.
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