1.

A capacitor has two circular plates whose radius are 8cm and distance between them is 1mm. When mica (dielectric constant = 6) is placed between the plates. The capacitance of this capacitor and the energy stored when it is given potential of 150 volt respectively are

A. \[1.06\times {{10}^{-5}}F,1.2\times {{10}^{-9}}J\]
B. \[1.068\times {{10}^{-9}}F,1.2\times {{10}^{-5}}J\]
C. \[1.2\times {{10}^{-9}}F,1.068\times {{10}^{-5}}J\]
D. \[1.6\times {{10}^{-9}}F,1.068\times {{10}^{-5}}J\]
Answer» C. \[1.2\times {{10}^{-9}}F,1.068\times {{10}^{-5}}J\]


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