Problem 4: A wire of length L = 0.35 m and mass m = 0.035 kg carries a current of I = 0.35 A. The wire is floating at rest in a magnetic field as shown in the figure. B X X Randomized Variables I L = 0.35 m m = 0.035 kg V = 0.35 A X X X X X X X Part (a) What are the forces acting on the wire, and which directions do they go? Correct! Gravity, downward. Magnetic force, upward. Part (b) Express the magnitude of the magnetic force in terms of the current I, length L and the magnetic field B. F = | Y 7 8 9 НОМЕ B d. 4 5 6 I 1 3 j k L END m P t BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Part (c) Given the fact that the wire is floating at rest, derive an expression for B. Part (d) Calculate the numerical value of B in tesla.

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Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.