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Q.

Is it true that resistance is directly proportional to the length of the conductor?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
We know that, R ∝ L…………… (i)
From equation (i), we can say that the resistance of the conductor is directly proportional to its length. That means that if the length of the material increases, then the resistance value also increases. Similarly, when a material's length reduces, its resistance also reduces.
  
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