Show all steps and write neatly or type it up, please. QUIZ-A PHYSICS 222 WI17 Y

Question

Show all steps and write neatly or type it up, please.

QUIZ-A PHYSICS 222 WI17 Your Name: Problem-1 Two very long, straight, parallel conducting wires, both aligned parallol to the +2 axis are cach carrying a constant current of I Amps in the +f direction. The wires are separated by a perpendicular distance a, What is the total magnetic field as a function of distance along a linc perpendicular to and intersecting the wires? Problem-2 A small circular copper wire loop of radius r and total resistance R is centered at the origin and parallel to the zy plane. There is a tine-dependent magnetic field present in the space occupied by the loop given by B(t) Bo cos(wt) (a) What is the induced EMF (potential) around the loop (b) How much magnetic field energy per unit time is being dissipated by the copper loop

Explanation / Answer

Let the point of observation be at distance r from one wire and at r+a from other wire.

Magnetic field B = uo I/ [2 pi r] + uo I / [ 2 pi*(r+a)]

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