MCQOPTIONS
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| 1. |
A copper coil has a resistance of 200 ohms when its mean temperature is 0 degree centigrade. Calculate the resistance of the coil when its mean temperature is 80 degree centigrade. Temperature coefficient of copper is 0.004041 centigrade-1 |
| A. | 264.65 ohm |
| B. | 264.65 kilo-ohm |
| C. | 286.65 ohm |
| D. | 286.65 kilo-ohm |
| Answer» B. 264.65 kilo-ohm | |