A uniform B-field is is directed along the +z axis. A charged particle is moving in the Field. It takes on a clockwise circular path of decreasing radius in the xy plane. Which of the following must be true?

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A:

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A:

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A:

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Q: Ch.5 Problem 72

A:

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.