A capacitor of capacitance $10\, mF$ is connected to a battery of emf $2\,V.$ It is found that it takes $50\, ms$ for the charge on the capacitor to become $12.6 \,mC.$ Then the resistance of the circuit is :.......$\, k \Omega$ (Take $1/e = 0.37$):-
Medium
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(Take $\frac{1}{4 \pi \varepsilon_0}=9 \times 10^9$ $SI$ units)
