Electronic Principles and Circuits
Authored by Sathishkumar V
Other
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
When a negative voltage feedback is applied to an amplifier ,its voltage gain
Is increased
Is reduced
Remains the same
None of the above
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The value of negative feedback fraction is always
Less than 1
More than 1
Equal to 1
None of these
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
A feed back circuit usually employs (a) Network
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
The gain of an amplifier with feed back is known as (a) gain
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When voltage feedback (negative) is applied to an amplifier, its input impedance
is decreased
is increased
remains the same
none of the above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When current feed back (negative ) ia applied to an amplifier ,its input impedance
is increased
is decreased
remains the same
none of the above
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Negative feedback is employed in
(a)
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