Mass m = 1.80 kg is suspended vertically at rest by an insulating string connected to a circuit partially immersed in a magnetic field as in the figure below. The magnetic field has magnitude B = 3.80 T and the length ? = 0.640 m. * * X x x x X * * x x x* x x x x x x x * x x x HINT (a) For the mass hanging in equilibrium, apply Newton's second law including the weight of the mass and the magnetic force acting on the wire. (b) Apply Ohm's law. Click the hint button again to remove this hint. (a) Find the current I (in A). (b) If E = 115 V, find the required resistance R (in n).

Mass m = 1.80 kg is suspended vertically at rest by an insulating string connected to a circuit partially immersed in a magnetic field as in the figure below. The magnetic field has magnitude B = 3.80 T and the length ? = 0.640 m. * * X x x x X * * x x x* x x x x x x x * x x x HINT (a) For the mass hanging in equilibrium, apply Newton's second law including the weight of the mass and the magnetic force acting on the wire. (b) Apply Ohm's law. Click the hint button again to remove this hint. (a) Find the current I (in A). (b) If E = 115 V, find the required resistance R (in n).

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter19: Magnetism

Section: Chapter Questions

Problem 63P: Ail electron is moving at a speed of 1.0 104 in/s in a circular path of radius 2.0 cm inside a...

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