Acoil is wrapped with 238 turns of wire on the perimeter of a square frame of sides 17.7cm. each turn has the same area, equal to that of the frame, and the total resistance of the coil is 1.39ohms. a uniform magnetic field is turned on perpendicular to the plane of the coil. if the field changes linearly from 0 to 0.455wb/m^2 in a time of 1.06s find the magnitude of the induced emf in the coil while the field is changing. answer is units of v.

First, launch the video below. you will be asked to use your knowledge of physics to predict the outcome of an experiment. then, close the video window and answer the question at right. you can watch the video again at any point. part a as in the video, we apply a charge +q to the half-shell that carries the electroscope. this time, we also apply a charge –q to the other half-shell. when we bring the two halves together, we observe that the electroscope discharges, just as in the video. what does the electroscope needle do when you separate the two half-shells again? view available hint(s) as in the video, we apply a charge + to the half-shell that carries the electroscope. this time, we also apply a charge – to the other half-shell. when we bring the two halves together, we observe that the electroscope discharges, just as in the video. what does the electroscope needle do when you separate the two half-shells again? it deflects more than it did at the end of the video. it deflects the same amount as at end of the video. it does not deflect at all. it deflects less than it did at the end of the video. submit

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Newtons view of arrangement of the universe. don't copy from anywhere.