Let the resistance of an electrical component remains constant while the potential difference across the two ends of the component decreases to half of its former value. What change will occur in the current through it?

A charged capacitor is connected to an inductor at an instant of time t=0.If the capacitor and the inductor are taken to be pure, write down the equation of effective potential difference across the combination at any instant of time t and solve it for instantaneous current through I the combination.Explain brefly the exchange of electric and magnetic energy between the capacitor and the inductor.

The value of resistance is 10.84 ohm and current is 3.23 A . The potential difference is 35.02935 V its value in significant number will be

A cell of emf 4V and internal resistance 0.5 is connected across a load resistance (i) 7.52, (ii) 11.50, calculate (i) the ratio of difference in emf of the cell and the potential drop across the load.(ii) the ratio of current in the two cases.

Two resistances each of value 2 ohm and 4 ohm are connected in parallel and the total current through the combination is 1 amp. What are the values of current through each resistance?

A charge phi=+1muc is held at 0 between two point A and B such that A^@=2m and B^@=1m . Calculate the value of potential difference (V_A-V_B) . What will be the value of potential difference (V_A-V_B) if position of B is changed as shown in figure.