An ideal solenoid with n=50 turns/cm, radius r, and current I shares its axis with an aluminumring of radius R. The coil acts as the resistance in an RC circuit that is being charged by a DCpower supply of 15.0 V. If the resistance of the coil is 5.00 2 and the time constant for the circuitis 42.0 ms,(a)What is the current through the coil at time t = 50.0 ms?(b)2rSince the current through the coil ischanging in time, the magnetic flux itcreates is also changing. Indicate on thedrawing the direction of the inducedcurrent in the aluminum ring at the sametime t = 50.0 ms..Determine the inductance per unit length 2R-of the solenoid if r-10.0 cm, and R-18.0cm.What further information, if any, isnecessary to compute the value of theinducted emf in the ring at time t-50.0ms?IO(d)

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Answered: An ideal solenoid with n=50 turns/cm,…

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