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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 20
6.
Oscillation frequency in Wein bridge oscillator is
f = 2p CR
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.

Assertion (A): A class C amplifier can also be used as frequency multiplier

Reason (R): When narrow current pulses drive a resonant circuit the output can be a near perfect sine wave

Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The parameter β of a BJT change by 300%. If self bias is used in the amplifier using this BJT, the quiescent value of IC and VCE remain almost the same.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
A bypass capacitor produces
dc ground
ac ground
both dc and ac ground
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Rise time in a transistor is change from
10% of its final value to 90% of its final value
0% of its final value to 90% of its final value
10% of its final value to 100% of its final value
10% to its final value to 50% of its final value
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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