Question

The resistance of a coil is 4.2ohm at 100°C and the temperature coefficient of resistance of its
material is 0.004/C. Its resistance at 0°C is
1) 6.5 ohm
2) 3 ohm
3) 5 ohm
4) 4 ohm​

Answer 1

Answer:

3 5ohm ok the and is sojvv