A copper coil has a resistance of 40 ohm at 20°C. At 100°C the resistance is likely to be

A copper coil has a resistance of 40 ohm at 20°C. At 100°C the resis

1.	A copper coil has a resistance of 40 ohm at 20°C. At 100°C the resistance is likely to be
Answer» Temperature coefficient of copper = 0.00393 R100 = 40 (1 + 0.00393 x 80) 54 &ohm;