2.A proton moving freely in a circular path perpendicular to a constant magnetic

Question

2.A proton moving freely in a circular path perpendicular to a constant magnetic field takes 1.90 ?s to complete one revolution. Determine the magnitude of the magnetic field.

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1.A copper wire is 5.00 m long and has a cross-sectional area of 2.00 ? 10-4 m2. This wire forms a one turn loop in the shape of square and is then connected to a battery that applies a potential difference of 0.300 V. If the loop is placed in a uniform magnetic field of magnitude 0.600 T, what is the maximum torque that can act on it? The resistivity of copper is 1.7 ? 10-8 omegam. Nm 2.A proton moving freely in a circular path perpendicular to a constant magnetic field takes 1.90 s to complete one revolution. Determine the magnitude of the magnetic field. T

Explanation / Answer

The resistance of this copper wire is:
(1.7 x10^-8 ohms

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