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# Current carrying coil placed in a magnetic field

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A uniform rectangular coil of total mass 270 g and dimensions 0.5m x 1.0m is oriented perpendicular to a uniform 3.90-T magnetic field (the figure). A current of 2.30 A is suddenly started in the coil.

Find the initial angular acceleration of the coil just after the current is started (rad/s^2).

See document attached for figure.

https://brainmass.com/physics/dc/determining-initial-angular-acceleration-coil-388358

#### Solution Preview

A uniform rectangular coil of total mass 270 g and dimensions 0.5m x 1.0m is oriented perpendicular to a uniform 3.90-T magnetic field (the figure). A current of 2.30 A is suddenly started in the coil.

Find the initial angular acceleration of the coil just after the current is started (rad/s^2).

Solution:
A1

B
1m
D C

0.5m A2 ...

#### Solution Summary

Step by step solution provided explaining how to determine the initial angular acceleration of a coil in a magnetic field.

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