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Posted: **Wed May 18, 2022 4:19 pm**

: A Proton Of Charge E Is Moving Along The Z Axis In Positive Direction When It Passes Through Z 0 It Produces A Magn 1 (20.25 KiB) Viewed 45 times

A proton of charge +e is moving along the z-axis in positive direction. When it passes through z = 0, it produces a magnetic field of B = 0.2 T at x = 1.2 nm. What is the speed of the proton in terms of the speed of light (c)? (Take c = 300000 km/second.) Answer: Proton