Does a magnetic field exert a force on a straight current-carrying wire? Assume the current is along the x axis and field is in the y direction
1.yes
2.no
1
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The right-hand rule allows one to find a property of the interaction of a magnetic field with a charged particle. The right-hand rule applied to moving charges:
a. results in positive charges moving clockwise. b. results in negative charges moving clockwise. c. can be used for positive charges only. d. gives the direction of the force on a charge moving in a magnetic field.
Ten m^3/s of air at 0ºC, 80% relative humidity is heated to 25ºC. Determine the amount of heat transfer required and the final relative humidity of the air. Determine the amount of water required to increase the final relative humidity to 50% at 25C. How much additional heat is then required to accomplish this humidification?
What will be an ideal response?
Define and distinguish among the terms speed, velocity, and acceleration
What will be an ideal response?
A shock wave is produced when a wave source moves
A) nearly as fast as the waves it produces. B) as fast as the waves it produces. C) faster than the waves it produces. D) none of the above