Question

If relative permittivity for any substance is $80$ then its electric susceptibility is_______

• A. $7\times 10^{-10}$
• B. $7\times 10^{-9}$
• C. $79$
• D. $81\times 10^{-10}$

Answer 1

Answer: (C)

$\epsilon r=1+xe\Rightarrow xe=80-1=79$