A zener diode has ______________ breakdown voltage?
(A) undefined
(B) sharp
(C) zero
(D) none of the above
A series resistance is connected in the zener circuit to_______________?
(A) properly reverse bias the zener
(B) protect the zener
(C) properly forward bias the zener
(D) none of the above
Which of the following is not associated with a p-n junction?
(A) junction capacitance
(B) charge storage capacitance
(C) depletion capacitance
(D) channel length modulation
In the breakdown region, a zener didoe behaves like a _______________source?
(A) constant voltage
(B) constant current
(C) constant resistance
(D) none of the above
A zener diode is________________ device?
(A) a non-linear
(B) a linear
(C) an amplifying
(D) none of the above
Mains a.c. power is converrted into d.c. power for_________________?
(A) lighting purposes
(B) heaters
(C) using in electronic equipment
(D) none of the above
In CE arrangement, the value of input impedance is approximately equal to ______________?
(A) Hie
(B) Hoe
(C) Hre
(D) None of the above
A 741-type OP-AMP has a gain-bandwidth product of 1MHz. A non-inverting amplifier using this op-amp & having a voltage gain of 20db will exhibit -3db bandwidth of__________?
(A) 50 KHz
(B) 100KHz
(C) 1000/17 KHz
(D) 1000/7.07 KHz
A dc power supply has no-load voltage of 30v,and a full-load voltage of 25v at full-load current of 1A.Its output resistance & load regulation ,respectively are_____________?
(A) 5 Ω & 20 %
(B) 25 Ω & 20 %
(C) 5 Ω & 16.7 %
(D) 25 Ω & 16.7 %
Most of the linear ICs are based on the two-transistor differential amplifier because of its___________?
(A) input voltage dependent linear transfer characteristic
(B) high voltage gain
(C) high input resistance
(D) high CMRR