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| 1. |
Suppose uniusulated copper or aluminium wires are used for flow of electricity from pole to pole in the street. Do you expect a better flow in summer or winter and why? |
| Answer» Solution :In a metal, the electrical conduction decreases with increase of temperature. Hence, we expect a better flow of CURRENT through the WIRE in winter when the temperature is LOW than in summer when the temperature is HIGH. | |