Mathematics, 06.05.2020 21:40 Vugly
A point charge Q moves on the x-axis in the positive direction with a speed of 280 m/s. A point P is on the y-axis at y = +70 mm. The magnetic field produced at the point P, as the charge moves through the origin, is equal to -0.30 μT . What is the charge Q? (μ0 = 4π × 10-7 T ? m/A)
A) -53 μC
B) +53 μC
C) -39 μC
D) +39 μC
E) +26 μC
Answers: 3
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