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Physics
Find the true statement.
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Q. Find the true statement.
KEAM
KEAM 2011
A
Ohms law is applicable to all conductors of electricity.
B
In an electrolyte solution, the electric current is mainly due to the movement of electrons.
C
The resistance of an incandescent lamp is lesser when the lamp is switched on.
D
Specific resistance of a wire depends upon its dimension.
E
The resistance of carbon decreases with the increase of temperature.
Solution:
The temperature coefficient of the carbon is negative so the resistance of carbon decreases with the increase of temperatures.