PhysicsJEE Main 8 Apr 2026, Shift 2·Q21·Numerical·Easy–moderate

Electric Potential and Capacitance · Capacitance

A parallel plate capacitor is having separation between plates 0.885 mm. It has a capacitance of

1\ \mu

F when the space between the plates is filled with an insulating material of resistivity

1\times10^{13}\ \Omega

m and resistance

17.7\times10^{14}\ \Omega

. Relative permittivity of the insulating material is

\alpha\times10^{7}

. The value of

\alpha

is .
(Take permittivity of free space

= 8.85\times10^{-12}

F/m)

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