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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 14
41.
The effect of a finite gain of operational amplifier used in an integrator is that
it would not integrator
slope of the O/P will varied with time
final value of the O/P
there will be instability in the cirucuit
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The ripple factor from a capacitor filter __________ as the load resistance __________ .
decreases, decreases
decreases, increases
increases, decreases
increases, increases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Of the various capacitances associated with a junction transistor the gain bandwidth product is affected to maximum extend by
base collector parasitic capacitor
base collector space charge layer capacitance
base emitter space charge layer capacitance
base emitter diffusion capacitance
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Choose proper substitutes for x and y to make the following statement correct.
Tunnel diode, Avalanche photodiode are operated in x bias and y bias respectively.
x : Reverse, y : Reverse
x : Reverse, y : forward
x : Forward, y : Reverse
x : forward, y : forward
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.

Assertion (A): When a zener diode breakdown, occurs the voltage across it is constant.

Reason (R): The upper limit of zener current is determined by power handling capacity.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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