Magnetic Field Produced by Moving Charges Video Lessons

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Problem: An electron moves at 0.150 c as shown in the figure (Figure 1). There are points: A, B, C, and D 2.10 μm from the electron. Find the magnitude of the magnetic field this electron produces at the pointno title providedA) Find the magnitude and direction of the magnetic field this electron produces at the point A.B) Find the magnitude and direction of the magnetic field this electron produces at the point B.C) Find the magnitude and direction of the magnetic field this electron produces at the point C.D) Find the magnitude and direction of the magnetic field this electron produces at the point D.

FREE Expert Solution

The magnetic field is expressed as:

B=μ04πq(v×r^r2

The magnitude of the magnetic field is then:

B=μ0qvsinθ4πr2

But, μ0qv4πr2=B0

Therefore,

B=B0sinθ

We'll also use the left-hand rule to determine the direction of the magnetic field. 

This is because the electron is negatively charged and we use the left-hand rule for negative charges.

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Problem Details

An electron moves at 0.150 c as shown in the figure (Figure 1). There are points: A, B, C, and D 2.10 μm from the electron. Find the magnitude of the magnetic field this electron produces at the point

no title provided

A) Find the magnitude and direction of the magnetic field this electron produces at the point A.

B) Find the magnitude and direction of the magnetic field this electron produces at the point B.

C) Find the magnitude and direction of the magnetic field this electron produces at the point C.

D) Find the magnitude and direction of the magnetic field this electron produces at the point D.

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