| Q.82 | Which material shows negative temperature coefficient of resistance? | |
| Ans | 1. Conductor and extrinsic semiconductor | |
| 2. Conductor and semiconductor | ||
| 3. Intrinsic semiconductor and insulator | ||
| 4. Conductor and insulator |
Correct Ans Provided: 3
Date: 14/02/2023 Shift: Q. No: 82
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