The emitter of a transistor is___________doped?
(A) lightly
(B) heavily
(C) moderately
(D) none of the above
A zener diode is used as ______________?
(A) an amplifier
(B) a voltage regulator
(C) a rectifier
(D) a multivibrator
The knee voltage of a crystal diode is approximately equal to ________________?
(A) applied voltage
(B) breakdown voltage
(C) forward voltage
(D) barrier potential
When the crystal current diode current is large, the bias is ______________?
(A) forward
(B) inverse
(C) poor
(D) reverse
If the temperature of a crystal diode increases, then leakage current ______________?
(A) remains the same
(B) decreases
(C) increases
(D) becomes zero
In a tansistor, IC = 100 mA and IE = 100.2 mA. The value of ß is____________?
(A) 100
(B) 50
(C) about 1
(D) 200
A zener diode is destroyed if it______________?
(A) is forward biased
(B) is reverse biased
(C) carrier more than rated current
(D) none of the above
The relation between ß and a is______________?
(A) ß = 1 / (1 – a )
(B) ß = (1 – a ) / a
(C) ß = a / (1 – a )
(D) ß = a / (1 + a )
The doping level in a zener diode is______________ that of a crystal diode?
(A) the same as
(B) less than
(C) more than
(D) none of the above