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ty=lm I * 1 x=-2cm 1 x=+2cm Refer to the image above: The current in the long wire located at x=-2cm is increasing linearly a
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(a, At a distana x selectry a strip in the triangle of length y and thicknens dx Im - sox Y- x2 -2 2x10 flux : do - => do=E= dt 8 X dt 18 6.137 x 100 x 100 = 6.137 uv Answer (b) Total length of triangle, l=1+1+ 0.02 2.02 m R=2.02 x 10 = 20.2 r ::

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