Question

29. At what temperature will the resistance of a copper
wire become three times its value at 0° C
[Temperature coefficient of resistance for copper
= 4 x 10-3 per °C] :-
(1) 400°C
(2) 450°C
(3) 500° C
(4) 600°C​

Answer 1

Answer:

at 500 c

Explanation:

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