At t = 0 , a rectangular coil of resistance R = 2 ohms and dimensions
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Question:
At t a rectangular coil of resistance R ohms and dimensions w cm and L cm enters a region of constant magnetic field B T directed into the screen as shown. The length of the region containing the magnetic field is LB cm The coil is observed to move at constant velocity v cms What is the force required at time t sec to maintain this velocity?
Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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