Assertion :The dimensional formula for product of resistance and conductance is same as for dielectric constant Reason: Both have dimensions of time constant

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Both quantities are dimensionless.
Resistance $\times$ Conductance= $R \times σ = R \times \frac{1}{R} = 1 \approx [M^{0} L^{0} T^{0}]$
Dielectric constant $K$ is dimensionless.

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