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Problem: Two 0.65-m-long conducting rods are rotating at the same speed in opposite directions, and both are perpendicular to a 4.8-T magnetic field. The ends of these rods come to within 1.0 mm of each other as they rotate. Moreover, the fixed ends about which the rods are rotating are connected by a wire, so these ends are at the same electric potential.
Part A: If a potential difference of 6.5 x 103 V is required to cause a 1.0-mm spark in air, what is the angular speed (in rad/s) of the rods when a spark jumps across the gap?
I want help to find the angular speed (in rad/s) of the rods when a spark jumps across the gap.
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