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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 16
16.
In the sale of diamonds the unit of weight is carat. One carat is equal to
100 mg
150 mg
200 mg
500 mg
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
R.M.S. value of the waveform shown will be
3.53 V
1 V
7.07 V
8.56 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The effect of current shunt feedback in an amplifier is to
increase the I/P resistance and decrease the O/P resistance
increase both I/P and O/P resistance
decrease both I/P and O/P resistance
decrease the I/P resistance and increase O/P resistance
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.

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.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Permalloy is
a variety of stainless steel
a polymer
a conon-ferrous alloy used in aircraft industry
a nickel an iron alloy having high permeability
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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