Exercise: Analog Electronics

Questions for: Analog Electronics

A certain transistor has adc of 0.98 and a collectors leakage current of 5 ΞA. If IE = 1 mA, the base current will be
A:
35 ΞA
B:
25 ΞA
C:
15 ΞA
D:
5 ΞA
Answer: C
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Which mode is usually preferred for cascading?
A:
CE
B:
CB
C:
CC
D:
Any of the above
Answer: A
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Assertion (A): A resistor is a passive load and a transistor is an active load

Reason (R): Op-amp is mostly used in feedback mode

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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The V MOS can handle __________ currents than a conventional MOSFET.
A:
much lower
B:
almost same
C:
almost half
D:
much larger
Answer: D
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Assertion (A): If power gain doubles the power gain increases by 3 dB

Reason (R): The bel power gain of cascaded stages is equal to sum of each bel power 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: A
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