1370 A resistor R and an inductor L are connected in series with a seat of constant e.m.f., E. 1101 (1gh of ftal 10 (a) (b) Find the r.m.s. current in the circuit from time 0 to time T, if the switch is closed at time C Find the average rate at which energy is being stored in the magnetic field from pak time 0 to time 2 T.,where T. is the time constant of the circuit. (Note: do not confuse here, or anywhere else, instantaneous power and average power).

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Electric field

A physical field present around an electrically charged particle that exerts a force on all other charged particles is called an electric field. The charged particles present in the field either repel or attract. From electric charges or time-varying magnetic fields, the electric field originates. One of the manifestations of electromagnetic force which is one of the four fundamental forces present in nature are the electric fields and magnetic fields.