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| 1. |
Two metallic resistances R and 3R have their temperature coefficients of resistance a and 2a respectively. The effective temperature coefficient of their combination when they are connected in parallel will be 1) 3a 2) 4a/3 3) 4a/5 4) 5a/4 |
| Answer» Two metallic resistances R and 3R have their temperature coefficients of resistance a and 2a respectively. The effective temperature coefficient of their combination when they are connected in parallel will be 1) 3a 2) 4a/3 3) 4a/5 4) 5a/4 | |