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A metal rod of length 19.2 cm and mass 101 g is free to slide over two parallel, horizontal metallic rails connected to a 10.0 V battery (see figure below). The battery has internal resistance of 0.100 Ω, and the rod and rails have negligible resistance. A 2.02 T magnetic field is directed perpendicular to the plane of the circuit.

(a) Find the magnetic force on the rod. F= 38.78 N

(b) Find the rod's speed after it has moved 29.4 cm, assuming negligible friction.

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  • Category:- Physics
  • Reference No.:- M9398734

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