Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion :: Exam Questions Papers - Exam Paper 17 (Q.No.2)

2.

Which of the following statements is/are true for a good conductor of electricity?

Its conductivity decreases with increasing temperature.
Number of free electrons is around 10²⁸ m^-3.
Its conductivity decreases with addition of impurities.
It is a good conductor of heat also.

[A].	1, 2, 3 and 4
[B].	1 only
[C].	2 and 3 only
[D].	3 and 4 only

Answer: Option A

Explanation:

No answer description available for this question.

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