10.) When a magnetic field is first turned on, the magnetic flux through a 10-turn coil varies over time. The equation for the magnetic flux is m = 200.0t² – 120.0t, where the magnetic flux is measured in webers, and the t is in minutes. The loop is in the plane of the page, with the unit normal pointing out of the page. dºm a.) Calculate an expression for dt b.) Find an equation for the induced emf as a function of time.

10.) When a magnetic field is first turned on, the magnetic flux through a 10-turn coil varies over time. The equation for the magnetic flux is m = 200.0t² – 120.0t, where the magnetic flux is measured in webers, and the t is in minutes. The loop is in the plane of the page, with the unit normal pointing out of the page. dºm a.) Calculate an expression for dt b.) Find an equation for the induced emf as a function of time.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Coil A is a large 300 turn circular coil of radius 77 cm. Circular coil B has 390 turns, a radius of 5 cm and is located L=99 cm from coil A along the same axis. The planes of the two coils are parallel. A) Find the approximate mutual inductance of this pair of coils. for my answer I got 3.527E-10 H which was wrong B) If the current in coil A varies with time according to I=3t3−8t2−1, where I is in amps and t is in s, find the magnitude of the EMF induced in coil B at time t=2 s.