An uncharged capacitor of capacitance `4mu f `, a battery of emf 12 volt and a resistor of `2.5 M Omega` are connected in series. The time after which `v_C = 3v_R is ("take ln" 2 = 0.693)`

An uncharged capacitor of capacitance 100 mu F is connected to a battery of emf 20V at t = 0 through a resistance 10 Omega , then (i) the maximum rate at which energy is stored in the capacitor is :

An uncharged capacitor of capacitance 100 mu F is connected to a battery of emf 20V at t = 0 through a resistance 10 Omega , then (i) the maximum rate at which energy is stored in the capacitor is :

An uncharged capacitor of capacitance 100 mu F is connected to a battery of emf 20V at t = 0 through a resistance 10 Omega , then (i) the maximum rate at which energy is stored in the capacitor is :

An uncharged capacitor of capacitance 8.0 mu F is connected to a battery of emf 6.0 V through a resistance of 24 Omega , then (ii) The current in the circuit at one time constant after the connections are made is :

An uncharged capacitor of capacitance 8.0 mu F is connected to a battery of emf 6.0 V through a resistance of 24 Omega , then (i) The current in the circuit just after the connections are made is :

An uncharged capacitor of capacitance C is connected with a battery of EMF V and a resistance R. The switch is closed at t=0 . The time instant at which the current in the circuit is (V)/(4R) is t=

An uncharged capacitor of capacitance C is connected with a battery of EMF V and a resistance R. The switch is closed at t=0 . The time instant at which the current in the circuit is (V)/(4R) is t=