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.

A copper coil has a resistance of 200 ohms when its mean temperature i

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.
A.	268.5 ohm
B.	268.5 kilo-ohm
C.	286.5 ohm
D.	286.5 kilo-ohm
Answer» B. 268.5 kilo-ohm