59. A very large parallel-plate capacitor has uniformcharge per unit area +o on the upper plate and -oon the lower plate. The plates are horizontal, and bothmove horizontally with-speed v to the right. (a) Whatis the magnetic field between the plates? (b) What isthe magnetic field just above or just below the plates?(c) What are the magnitude and direction of the mag-netic force per unit area on the upper plate? (d) Atwhat extrapolated speed v will the magnetic force on aplate balance the electric force on the plate? Suggestion:Use Ampere's law and choose a path that closesbetween the plates of the capacitor.

It is given that 2 parallel plate capacitor carrying opposite charge density. It is also given…

Answered: 59. A very large parallel-plate…

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