The Electrical susceptibility and relative permittivity are related as

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The Electrical susceptibility and relative permittivity are related as:

A. $$\chi = {\varepsilon _r} - 1$$

B. $$\chi = {\varepsilon _r} + 1$$

C. $$\chi = {\varepsilon _r}{\varepsilon _0}$$

D. $$\chi = 1 + {\varepsilon _0}{\varepsilon _r}$$

Answer: Option A

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