The magnitude of linear charge density for infinite long line is 5.00 pC/m. At 0.18 m from the infinite line a proton is placed. Proton moves directly toward the infinite line with speed 1.50 Km/s. Evaluate the initial K.E of proton. How close does the proton get to the line?

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.