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Transcript
Biot-Savart Law ⢠An infinitely long straight wire carries a current i. ⢠Determine the magnetic field generated at a point located at a perpendicular distance R from the wire. ⢠Choose an element ds as shown ⢠Biot-Savart Law: dB points INTO the page ⢠Integrate over all such elements m0 ids (r sin q ) dB = 4p r3 ¥ m0i ds (r sin q ) B= 3 ò 4p -¥ r
