If a circuit having a resistor of `2 xx 10^(6) Omega` in series with a capacitor of `1 mu F` is placed in series with a cell of e.m.f. V, to what limit will the condenser be charged after 4 s ?

In a circuit, a resistor of 10 M Omega , a capacitance of 0.2mu F and a battery of 20V are connected in series. Calculated the rate of (i) growth of charge. (ii) energy stored by the capacitor, (iii) heat dissipation in the resistor and (iv) the energy delivered by the battery after 2s.

A capacitor of 1 muF is placed in series with a resistor of 2 mega-ohm and a battery of emf 2 V. Calculate the time after which the charge will grow to 86.74% of its max value.

Condensers of capacities 5F and 10F are connected in parallel in a circuit with a cell of e.m.f. 2V. The capacity of the condenser to be connected in series with parallel combination of the condensers to get 1C charge to flow in the circuit is

Two capacitors 2 mu F and 6 mu F are in series the effective capacitance of the system is mu F will be .....??

A potentiometer wire has a length 2 m and resistance of 10 Omega . It is coonnected in series with a resistance of 990 Omega and a cell of e.m.f. 2 V. The potential gradient along the wire is

An inductor 20xx10^(-3) a capacitor 100(mu)F and a resistor 50 Omega are connected in series across a source of emf V=10 sin 314 t . Then the energy dissipated in the circuit in 20 mim is

An inductor L, capacitor of 20 mu F and a resistor of 10 Omega are connected in series with 220 V, 50 Hz a.c. supply. If current is in phase with the voltage, calculate the inductance. What is the value of current in the circuit ?

A 4 muF capacitor, a resistance of 2.5 M Omega is in series with 12V battery. Find the time after which the potential difference across the capacitor is 3 times the potential difference across the resistor :