Question: PRACTICE 21B Force on a current-carrying conductor 1. What is the force in Sample Problem 21B if the direction of the current points west to

PRACTICE 21B Force on a current-carrying conductor 1. What is the force in Sample Problem 21B if the direction of the current points west to east? 2. A wire 1.0 m long experiences a magnetic force of 0.50 N due to a per- pendicular uniform magnetic field. If the wire carries a current of 10.0 A, what is the magnitude of the magnetic field? 3. The magnetic force acting on a wire that is perpendicular to a 1.5 T uni- form magnetic field is 4.4 N. If the current in the wire is 5.0 A, what is the length of the wire that is inside the magnetic field? 4. A 2.5 N magnetic force acts on a 475 m wire that is perpendicular to a 0.50 T magnetic field. What is the current in the wire? 5. The magnetic force on a straight 0.15 m segment of wire carrying a cur- rent of 4.5 A is 1.0 N. What is the magnitude of the component of the magnetic field that is perpendicular to the wire? 778 Chapter 21
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