Exercise: Analog Electronics

Questions for: Analog Electronics

In figure v1 = 8 V and v2 = 8 V. Which diode will conduct?
A:
D1 only
B:
D2 only
C:
Both D1 and D2
D:
Neither D1 nor D2
Answer: C

Both D1 and D2 are forward biased.

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Consider the following statements : A clamper circuit
  1. adds or subtracts a dc voltage to a waveform
  2. does not change the waveform
  3. amplifiers the waveform
Which are correct?
A:
1, 2
B:
1, 3
C:
1, 2, 3
D:
2, 3
Answer: A

Clamper does not amplify the waveform. Hence 1 and 2 are correct.

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In figure the saturation collector current is
A:
B:
C:
D:
none of the above
Answer: C

Since IE IC, .

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In figure what is value of IC if Îēdc = 100. Neglect VBE
A:
5 mA
B:
5 ΞA
C:
10 mA
D:
10 ΞA
Answer: C

Since IB = 100 ΞA, IC = ÎēIB = 10 mA.

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The self bias provides
A:
stable Q point
B:
large voltage gain
C:
high input impedance
D:
high base current
Answer: A

Stable Q point is the advantage of self bias circuit.

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