A) \[\frac{C}{2}\]
B) \[\frac{C}{\sqrt{2}}\]
C) \[2C\]
D) \[\sqrt{2}C\]
Correct Answer: A
Solution :
Dielectric constant of oil \[k=2.\] Capacitance of the capacitor with oil, \[{{C}_{m}}=C\] The capacitance of the conductor with oil \[{{C}_{m}}=K{{C}_{o}}\] \[\Rightarrow \] \[C=2\times {{C}_{o}}\] (Where \[{{C}_{o}}\] is the capacitance of the capacitor after oil is removed)
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