Asked by Physics
A long, straight wire lies on a horizontal table and carries a current of 1.45 µA. In a vacuum, a proton moves parallel to the wire (opposite the current) with a constant speed of 3.00 104 m/s at a distance d above the wire. Determine the value of d. Ignore the magnetic field due to the Earth.
I got d=0.8939 but that was incorrect
B = mg /qv used this to find B
B = μo*I / 2πd used this to find d
I got d=0.8939 but that was incorrect
B = mg /qv used this to find B
B = μo*I / 2πd used this to find d
Answers
Answered by
drwls
What are the units of d? Meters?
2 π d * (B/μo) = I by Amperes Law.
I agree with your approach and equations.
2 π d * (B/μo) = I by Amperes Law.
I agree with your approach and equations.
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