Part E Constants In the figure, a conducting rod of length L 25.0 cm moves in a

Question

Part E Constants In the figure, a conducting rod of length L 25.0 cm moves in a magnetic field B of magnitude 0.520 T directed into the plane of the figure. The rod moves speed v 5.00 m/s in the direction shown. (Figure 1) What is the magnitude Vba of the potential difference between the ends of the rod? Express your answer in volts to at least three significant figures View Available Hint(s) with ba Submit Figure 1 of 1 ? Part F What is the magnitude & of the motional emf induced in the rod? Express your answer in volts to at least three significant figures View Available Hint(s) ????????? Submit

Explanation / Answer

Equilibrium of forces on rod,

qE = qvB

E = vB

E = 5*0.52 = 2.6 V/m

(E)

Potential difference b/w ends of the rod,

Vba = E*L

Vba = 2.6*0.25

Vba = 0.65 V

(F)

magnitude of motional emf,

e = BvL

e = 0.52*5*0.25

e = 0.65 V

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