(a) a point midway between the wires 1 T 2---Select---to the leftupwarddownwardt
ID: 1742828 • Letter: #
Question
(a) a point midway between the wires
1 T 2---Select---to the leftupwarddownwardto the rightinto the pageout of the page
(b) at point P1, that is, 10.0 cm to the rightof the wire on the right
3 T 4---Select---into the pagedownwardout of the pageto the leftto the rightupward
(c) at point P2, that is, 20.0 cm to the leftof the wire on the left
5 T 6---Select---upwardout of the pageto the rightto the leftinto the pagedownward
The select is to the left, upward, downward, to the right, intothe page or out of the page. Just pick one for each.
Explanation / Answer
current carrying I = 5.00A diameter d = 10 cm radius r = 5 cm =0.05 m first let us assume that as there are twowires and both are having magneticfields we take right wire as 1 and another as 2, and weassume that the positive direction for the magnetic field to be out of the page and negativeinto the page (a) let B1 be the magnetic field produceddue to the wire 1 and B2 be the magnetic field produced dueto the wire 2 if B is the total magnetic field then weget B = -B1 - B2 =-(oI1 / 2r1) +(oI1 / 2r1) = -o /2r(I1 + I2) = ..........T into thepage (b) at point P1 B = B1 - B2 = o /2r(I1/r1 -I2/r2) where r1 = 0.100 m r2 = 0.200 m so B = ........T out of the page (c) at point P2 B = -B1 + B2 = o /2r(-I1/r1 +I2/r2) where r1 = 0.300 m r2 = 0.200 m so B = ........T out of the page = o /2r(-I1/r1 +I2/r2) where r1 = 0.300 m r2 = 0.200 m so B = ........T out of the page
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