Physics, 30.08.2019 21:20 canonmille2
Apermanent magnet creates a magnetic field at the origin with strength bperm-1t. a current-carrying wire is oriented such that it creates a magnetic field at the origin that points in the same direction as the magnetic field from the permanent magnet. (a) what is the net magnetic field at the origin if the wire carries a magnitude of 1-2 a and is located a distance r = 5 cm from the origin? (b) if the current in the wire reverses directions, what is the new net magnetic field at the origin?
Answers: 2
Physics, 22.06.2019 08:00
What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?
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Physics, 22.06.2019 08:40
An isolated conducting spherical shell carries a positive charge. part a which statement (or statements) about the electric field and the electric potential inside and outside the spherical shell is correct? which statement (or statements) about the electric field and the electric potential inside and outside the spherical shell is correct? electric potential inside the shell is constant and outside the shell is changing as 1/r2 both the electric potential and the electric field does change with r inside and outside the spherical shell electric potential inside and outside the shell is constant, but not zero electric potential inside the shell is constant and outside the shell is equal to zero electric field inside and outside the shell is constant (does not change with the position r), but is not equal to zero electric field inside and outside the shell is changing as 1/r (where r is the distance from the center of the sphere) electric field inside is equal to zero and outside the shell is constant, but not zero electric potential inside the shell is constant and outside the shell is changing as 1/r electric field inside and outside the shell is changing as 1/r2 electric field inside is equal to zero and outside the shell is changing as 1/r2 electric field inside and outside the shell is zero electric field inside is constant and outside the shell is changing as 1/r
Answers: 3
Apermanent magnet creates a magnetic field at the origin with strength bperm-1t. a current-carrying...
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