MCQ's Search Engine
Medical Science Engg
- 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.
|Which of the following statements is/are true for a good conductor of electricity? |
|A.||1, 2, 3 and 4 [Correct Answer]|
|B.||1 only [Wrong Answer]|
|C.||2 and 3 only [Wrong Answer]|
|D.||3 and 4 only [Wrong Answer]|