Question 3 (a) In which direction will the force on the wire be directed?  (b) A 50 cm wire carries a current of 2.0 A in a 0.4T magnetic field. (i) Calculate the force acting on the wire when it is placed at right angles in the magnetic field.  (ii) If the magnetic field is doubled and the force on the wire of negligible weight is directed upward, calculate the current required to barely lift a 250g rice bag attached to the wire.

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Q: 3) A wire carrying a steady current of 20.0 A is bent at a right angle as shown in the figure below.…

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A: Current in the wire, I = 2 A Magnetic force, FB = 5 N Magnitude of magnetic field, B = 0.7 T

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Q: Calculate the force acting on a 12.5 cm piece of wire that is carrying a 12.0 A current in a uniform…

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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.