Exercise: Electronic Devices And Circuits

Questions for: Electronic Devices And Circuits

The effect of a finite gain of operational amplifier used in an integrator is that
A:
it would not integrator
B:
slope of the O/P will varied with time
C:
final value of the O/P
D:
there will be instability in the cirucuit
Answer: B
No answer description is available. Let's discuss.
A JFET behaves as a constant current source when
A:
VGS = 0
B:
VGS is less than pinch off voltage
C:
VGS = VDS
D:
VGS is more than pinch off voltage
Answer: D
No answer description is available. Let's discuss.
Electrical contact materials used in switches, brushes and relays must possess
A:
high thermal conductivity and high melting point
B:
low thermal conductivity and low melting point
C:
high thermal conductivity and low melting point
D:
low thermal conductivity and high melting point
Answer: A
No answer description is available. Let's discuss.
Which of the following expressions may be used to correctly describe the temperature (T) variation of the intrinsic carrier density (ni) of a semiconductor?
A:
ni(T) = (A/T) exp (- E8/kT2)
B:
ni(T) = A (- E8/2kT)10
C:
ni(T) = A exp (- E8/2kT2)
D:
ni(T) = AT3/2 exp (-E8/2kT)
Answer: D
No answer description is available. Let's discuss.
The drain characteristics of JFET are drawn between
A:
VGS and VDS for different values of drain current
B:
drain current and VGS for different values of VDS
C:
drain current and VDS for different values of VGS
D:
drain current and VGS for one value of VDS
Answer: C
No answer description is available. Let's discuss.
Ad Slot (Above Pagination)
Quiz