Exercise: Electronic Devices And Circuits

Questions for: Electronic Devices And Circuits

Which of the following could be the maximum current rating of junction diode by 126?
A:
1 A
B:
10 A
C:
20 A
D:
100 A
Answer: A
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Permalloy is
A:
a variety of stainless steel
B:
a polymer
C:
a conon-ferrous alloy used in aircraft industry
D:
a nickel an iron alloy having high permeability
Answer: D
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Assertion (A): A JFET can be used as a current source.

Reason (R): In beyond pinch off region the current in JFET is nearly constant.

A:
Both A and R are true and R is correct explanation of A
B:
Both A and R are true but R is not a correct explanation of A
C:
A is true but R is false
D:
A is false but R is true
Answer: A
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The effect of current shunt feedback in an amplifier is to
A:
increase the I/P resistance and decrease the O/P resistance
B:
increase both I/P and O/P resistance
C:
decrease both I/P and O/P resistance
D:
decrease the I/P resistance and increase O/P resistance
Answer: D
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R.M.S. value of the waveform shown will be
A:
3.53 V
B:
1 V
C:
7.07 V
D:
8.56 V
Answer: C
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