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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 8
46.
Highest resistivity of the following is
nichrome
constantan
metal
manganin
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Lowest noise can be expected in case of
carbon composition resistors
carbon film resistors
tin oxide resistors
metal film resistors
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
For a BJT, under the saturation condition,
IC = βIB
IC = aIB
IC is independent of all other parameters
IC < βIB
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
When a semiconductor bar is heated at one end, a voltage across the bar is developed. If the heated is positive the semiconductor is
P-type
n-type
intrinsic
highly degenerate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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