A flat circular loop of wire is in a uniform magnetic field of 0.30 T. The diameter of the loop is 1.0 m, and a 2.0-A current flows in it
What is the magnitude of the magnetic torque on the loop when the plane of the loop is parallel to the magnetic field?
A) 0.47 N ? m B) 0.52 N ? m C) 0.41 N ? m D) 0.00 N ? m
A
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A bucket of water with total mass 24.0 kg is attached to a rope, which in turn, is wound around a 0.050-m radius cylinder at the top of a well. A crank with a turning radius of 0.35 m is attached to the end of the cylinder. What minimum force directed perpendicular to the crank handle is required to just raise the bucket? (Assume the rope's mass is negligible, that the cylinder turns on
frictionless bearings, and that g = 9.8 m/s2.) a. 1 600 N b. 3.4 N c. 34 N d. 670 N e. 4.1 N
Which condition of motion must be met with regard to a charged particle if it is in the process of emitting electromagnetic radiation?
a. accelerates b. moves at the speed of light c. moves at constant velocity d. moves parallel to a uniform magnetic field
NASA has found definite proof for the past existence of life on Mars
Indicate whether the statement is true or false
How does allowing the utilities to charge higher rates help increase the capacity factor of nuclear plants? Explain
What will be an ideal response?