- #1
kenok1216
- 58
- 1
Homework Statement
I=10A,L=0.5m,a=0.3m,x=0.2m
Homework Equations
The Attempt at a Solution
by the Biot-Savart Law
ds cross r=-dxcosθ k(direction k)
dB= μI/4π∫-dxcosθ/r^2
B=μI/4π∫-dxcosθ/r^2 (from ?? to ??) in magnitude
question:
1) what is ?? to ??
2)how dx and r respect to dθ?
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