An elevator carrying a charge of 0.5C is moving down with a velocity of 5 x 103 ms-1. The elevator is 4 m from the bottom and 3 m horizontally away from P as shown in figure. What magnetic field (in ) does it produce at point P?
According to Biot-Savart law,
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A charge particle A of charge q = 2C has velocity V = 100 m/s. When it passes through point A and has velocity in the direction shown. The strength of instantaneous magnetic field at point B (r = 2m) due to this moving charge is . Find n.
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