A particle of mass 1 × 10−5 kg and charge 1 µC moves downward from point A to point B a distance of 2 m in the earth’s gravitational field. The kinetic energy of the particle decreases by 1.7 mJ during this movement. What is the potential difference VB − VA? The acceleration of gravity is 9.8 m/s 2 . Answer in units of kV

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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.