1. Find B at the origin due to the rectangular current loop shown in the following figure. (The loop is centered on the origin.) 2. If a is increased while b is fixed, such that a > b, we expect the field at the origin to be approximately the field due to infinitely long wires at y = b/2 and y = -b/2. Compute B at the origin using this assumption. You may do this by taking your answer from 1. and applying the limit a > 6 or by simply using the formula for the field due to a long straight wire in introductory textbooks. I
1. Find B at the origin due to the rectangular current loop shown in the following figure. (The loop is centered on the origin.) 2. If a is increased while b is fixed, such that a > b, we expect the field at the origin to be approximately the field due to infinitely long wires at y = b/2 and y = -b/2. Compute B at the origin using this assumption. You may do this by taking your answer from 1. and applying the limit a > 6 or by simply using the formula for the field due to a long straight wire in introductory textbooks. I
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Transcribed Image Text:2 Biot-Savart for Straight Wire
1. Find B at the origin due to the rectangular current loop shown in the
following figure. (The loop is centered on the origin.)
2. If a is increased while b is fixed, such that a > b, we expect the field at
the origin to be approximately the field due to infinitely long wires at
y = b/2 and y = -b/2. Compute B at the origin using this assumption. You
may do this by taking your answer from 1. and applying the limit a > b
or by simply using the formula for the field due to a long straight wire
in introductory textbooks.
a
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