A Point Charge of Q₁ = 3

question 44

Multiple Choice

A point charge of q₁ = 3.6 nC is moving with speed 4.5 * 10⁷ m/s parallel to the y axis along the line x = 3 m. The magnetic field produced by this charge at the origin when it is at the point x = 3 m, y = 4 m is approximately

• A) 0.39 nT
• B) -0.78 nT
• C) -0.39 nT
• D) 0.78 nT
• E) 2.0 nT

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