# The arm PQ of the rectangular conductor is moved from x=0, outwards. The uniform magnetic field is perpendicular to plane and exerts from x=0 to x=b and is 0 for x > b. Only the arm PQ possess substantial resistance r. Consider the situation when the arm PQ is pulled outward from x = 0 to x= 2b, and is then moved back to x=0  with constant speed v. Obtain expression for the flux, induced emf, the force necessary to pull the arm and the power dissipated as joule heat. Sketch the variation of these quantities with distance.

The arm PQ of the rectangular conductor is moved from x = 0, outwards. The uniform magnetic field is perpendicular to plane and exerts from x = 0 to x = b and is 0 for x > b. Only the arm PQ possess substantial resistance r. Consider the situation when the arm PQ is pulled outward from x = 0 to x = 2b, and is then moved back to x=0  with constant speed v. Obtain expression for the flux, induced e.m.f., the force necessary to pull the arm and the power dissipated as joule heat. Sketch the variation of these quantities with distance.     • 47

r u serious dude?? sab kuch bhula ke just dance???

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