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Q.

What is the correct relationship between resistance of a conductor and its temperature?


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a

Directly proportional

b

Inversely proportional

c

Logarithmic

d

Quadratic 

answer is A.

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Detailed Solution

Resistance of a conductor is directly proportional to its temperature.
The relationship between the resistance and the temperature of the conductor is that they are directly proportional to each other. By increasing the temperature of a conductor, we increase the kinetic energy of the atoms. So, the electrons start moving faster in random directions. Hence, temperature increases by increasing the resistance to the flow of current.
 
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