Tuesday
September 16, 2014

Homework Help: Physics

Posted by Mike on Saturday, July 2, 2011 at 6:35pm.

A rectangular coil of 70 turns, dimensions 0.100 m by 0.200 m and total resistance 10.0 ohms, rotates with angular speed 32.0 rad/s about the y axis in a region where a 1.00 T magnetic field is directed along the x axis. The rotation is initiated so that the plane of the coil is perpendicular to the direction of vector B at t = 0.
(a) Calculate the maximum induced emf in the coil.
_______V

(b) Calculate the maximum rate of change of magnetic flux through the coil.
_______Wb/s

(c) Calculate the induced emf at t = 0.0500 s.
_______V

(d) Calculate the torque exerted on the coil by the magnetic field at the instant when the emf is a maximum.
_______N·m

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