+2 votes
in JEE by kratos

A capacitor filled with dielectric of permittivity ε = 2.1 loses half the charge acquired during a time interval τ = 3.0 min. Assuming the charge to leak only through the dielectric filler, calculate its resistivity.

1 Answer

+2 votes
by kratos
 
Best answer

The charge decays according to the formula

Here, RC = mean life = Half-life/ln 2

So, half life = T = R C In 2

...