Exercise: Analog Electronics

Questions for: Analog Electronics

Lower chip area requirements of MOS is advantage in
A:
low power circuits
B:
high power circuits
C:
repetitive operation circuits
D:
large scale integration
Answer: D
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Assertion (A): In an op-amp the gain bandwidth product equals ffinity

Reason (R): The change in open loop gain of an amplifier has almost no effect on closed loop gain

A:
Both A and R are correct and R is correct explanation for A
B:
Both A and R are correct but R is not correct explanation for A
C:
A is correct R is wrong
D:
A is wrong R is correct
Answer: B
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A radio frequency choke permits an easy flow of __________ current and at the same time it offers a very impedance to __________ currents.
A:
A.C., low frequency
B:
A.C., high frequency
C:
D.C., low frequency
D:
D.C. high frequency
Answer: D
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The absolute values of pinch-off voltage and gate-source cut-off voltage are
A:
nearly zero
B:
complementary to each other
C:
never equal
D:
equal
Answer: D
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The circuit shown in figure will
A:
oscillate at 456 kHz
B:
oscillate at 228 kHz
C:
oscillate at microwave frequency
D:
not oscillate
Answer: D
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