A source of e.m.f. `E = 15V` and having negligible internal resistance is connected to a variable resistance so that the current in the circuit increases with time as `i = 1.2 t +3` Then, the total charge that will flow in first five second will be

A 3 V battery with negligible internal resistance is connected in a circuit as shown in the figure. The current I in the circuit will be

A battery of e.m.f 10V and internal resistance 3Omega is connected to a resistor.If the current in the circuit is 0.5A,then the resistance of the resistor is

A source of emf E=10 V and having negligible internal resistance is connected to a variable resistance.The resistance varies as shown in figure. The total charge that has passed through the resistor R during the time interval from t_1 or t_2 is

A source of emf E=10 V and having negligible internal resistance is connected to a variable resistance.The resistance varies as shown in figure. The total charge that has passed through the resistor R during the time interval from t_1 or t_2 is

A source ofEMF E = l OV and having negligible internal resistance is connected to a variable resistance. Toe resistance varies as shown in figure-3.325. The total charge that has passed through the resistor R during the time interval from t_(1) "to" t_(2) is :

A cell of e.m.f. 2 V and internal resistance 2Omega and an external resistance 18Omega forms closed circuit. The current through the circuit is

n cells of e.m.f E and internal resistance r are connected in series with an external resistance R . the current will increase n times that of a single cell, if

A battery of emf 15 V and internal resistance of 4Omega is connected to a resistor. If the current in the circuit is 2A and the circuit is closed. Resistance of the resistor and terminal voltage of the battery will be

A battery of emf 15 V and internal resistance of 4Omega is connected to a resistor. If the current in the circuit is 2A and the circuit is closed. Resistance of the resistor and terminal voltage of the battery will be

A battery of emf 2V and internal resistance 0.5(Omega) is connected across a resistance 1.5(Ω). Find the current flow through battery ?