Question

With increase in temperature, the resistivity of

• A. both Cu and Ge increases
• B. both nichrome and Ge decreases
• C. nichrome decreases and that of Ge increases
• D. both Cu and nichrome increases
• E. Cu, nichrome and Ge increases

Hint:

Physics Tip: Remember rule — Metals oppose more when hot, semiconductors conduct better when hot.

Answer 1

The Correct Option is D