> Q. Two wires have same length. But area of cross-section of one is $4,times$ that of the other. If the resistance of thinner wire be $200Omega$ the resistance of the thicker wire is – LIVE ANSWER TODAY

Q. Two wires have same length. But area of cross-section of one is $4,times$ that of the other. If the resistance of thinner wire be $200Omega$ the resistance of the thicker wire is

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Two wires have same length. But area of cross-section of one is $4,times$ that of the other. If the resistance of thinner wire be $200Omega$ the resistance of the thicker wire is

Solution:

Here $R , propto , frac{1}{A}$

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