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Q. 58

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
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Short Answer

A proton moving in a uniform magnetic field with experiences force . A second proton with experiences in the same field. What is ? Give your answer as a magnitude and an angle measured from the - axis.

Magnetic field, and its direction

See the step by step solution

Step by Step Solution

Step1: Ampere's experiment

Depending on whether the currents run within the same or opposing directions, two parallel wires carrying electric currents repel or attract one another, in line with Ampère.

Step2: Find field for proton

An equation describes the magnetic force:

Where is that the charge. Rearrange equation for to be within the form

The force field for the primary proton is obtained by

Step3: Angle between two components

The force field for the second proton is

The magnitude of the magnetic flux is obtained by

The angle formed by the elements is

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