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Unformatted text preview: wire/loop at the location of the other wire/loop (see below) Other than using a magnet, what other ways to produce a B field? Use current carrying wires. Note that the B field produced is not uniform. Infinitely long straight wire lBl = o I/2 a Rt-hand Rule Finite length straight wire* lBl = ( o I/4 a) [sin 1 + sin 2 ] Rt-hand Rule Arc of wire lBl center = ( o I/4 a) Rt-hand Rule Circular loop lBl center = ( o I/2a) Rt-hand Rule Square Loop HW problem Rt-hand Rule Rectangular Loop Think! Rt-hand Rule Coil (Solenoid) lBl inside = o nI = o (N/ l )I Rt-hand Rule Draw a figure to go with each of the above....
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