Physics, 09.12.2019 21:31 alisaharnauth
Two long, straight wires are parallel and 25 cm apart. (a) if each wire carries a current of 50 a in the same direction, what is the magnetic force per meter exerted on each wire? (b) does the force pull the wires together or push them apart? (c) what happens if the currents flow in opposite directions?
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Physics, 21.06.2019 16:00
Lets say that an object of a certain volume has a certin mass. what happens to its mass when you double its volume?
Answers: 3
Physics, 21.06.2019 21:40
Since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of "ifā¦thenā¦becauseā¦ā when writing your hypothesis.
Answers: 1
Physics, 22.06.2019 15:30
To understand the behavior of the electric field at the surface of a conductor, and its relationship to surface charge on the conductor. a conductor is placed in an external electrostatic field. the external field is uniform before the conductor is placed within it. the conductor is completely isolated from any source of current or charge. part a: which of the following describes the electric field inside this conductor? it is in the same direction as the original external field.it is in the opposite direction from that of the original external field.it has a direction determined entirely by the charge on its surface.it is always zero. part b: the charge density inside the conductor is: 0non-zero; but uniformnon-zero; non-uniforminfinite part c: assume that at some point just outside the surface of the conductor, the electric field has magnitude e and is directed toward the surface of the conductor. what is the charge density Ī· on the surface of the conductor at that point? express your answer in terms of e and Ļµ0
Answers: 1
Two long, straight wires are parallel and 25 cm apart. (a) if each wire carries a current of 50 a in...
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