There are ______________ h parameters of a transistor?
A. Two
B. Four
C. Three
D. None of the above
Month: December 2018
A transistor behaves as a linear device for _____________?
A transistor behaves as a linear device for _____________?
A. Small signals only
B. Large signals only
C. Both small and large signals
D. None of the above
The h parameter approach gives correct results for_______________?
The h parameter approach gives correct results for_______________?
A. Large signals only
B. Small signals only
C. Both small and large signals
D. None of the above
Hybrid means_____________?
Hybrid means_____________?
A. Mixed
B. Single
C. Unique
D. None of the above
In order to determine hfe and hie parameters of a transistor, __________ is an a.c. short-circuited?
In order to determine hfe and hie parameters of a transistor, __________ is an a.c. short-circuited?
B. Input
C. Output
D. Input as well as output
E. None of the above
In CE arrangement, the value of input impedance is approximately equal to ______________?
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 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 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___________?
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
The bandwidth of an RF tuned amplifier is dependent on____________?
The bandwidth of an RF tuned amplifier is dependent on____________?
A. Q –factor of the tuned o/p circuit
B. Q –factor of the tuned i/p circuit
C. Quiescent operating point
D. Q-factor of the o/p and i/p circuits as well as quiescent operating point