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find an expression relating the charge density p’ in the inertial frame s’ to the value...

find an expression relating the charge density p’ in the inertial frame s’ to the value of p and J =(jx,jy,jz) in the frame S, where S’ moves at +vx relative to S
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Answer #1

Answer:

The relativistic relation between charge density 1 in the inertial frame s1 and charge density in the frame s and the current density J is 1 = [ - vJx/c2]. Since the current density Jx = vx

We have taken Jx because of the frame s1 is moving with speed vx along the x-axis relative to the frame s.

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