In Fig 3053 a long rectangular conducting loop of width L 1

In Fig. 30-53, a long rectangular conducting loop, of width L = 1 meters, resistance R= = 3 ohms , and mass m = 7 kg is hung in a horizontal, uniform magnetic field B = 7Tesla that is directed into the page and that exists only above the line aa. The loop is then dropped; during its fall it accelerates until it reaches a certain terminal speed v_t. Ignoring air drag, find an expression for v_t.

I = VBL/R

F = BIL

F = V^2B^2L^2/R

F = mg

=> 7*9.8 = v*7^2*1)/(3)

-> V = 3*7*9.8)/(7^2) = 4.2 m/s

In Fig. 30-53, a long rectangular conducting loop, of width L = 1 meters, resistance R= = 3 ohms , and mass m = 7 kg is hung in a horizontal, uniform magnetic f

In Fig 3053 a long rectangular conducting loop of width L 1

Solution

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