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when a bar magnet is moved toward a stationary conducting loop which direction does the induced current in the loop flow?
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IT moves in the direction which will generate a magnetic field that opposes the bar magnet motion.
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if a bar of copper is brought near a magnet, the copper bar will be? A)attracted by the magnet. B)unaffected by the magnet.
Top answer:
unaffected by the magnet
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A 0.75 Tesla bar magnet is placed inside of a coil made up of 350 turns of wire, each loop having an area of 0.002 m^2.
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In this case, flux is removed, not created. The original flux is N*A*B = 350*.002*0.75 Divide that
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To determine the induced emf in the loop, you can use Faraday's Law of electromagnetic induction.
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1. The figure shows a conducting loop of wire in the field of a magnet which is behind the loop. The South Pole of the magnet is
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It is very difficult for me to understand the picture. Remember Lenz's law says that current induced
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A rectangular loop with sides l and w are inside of a region with constant magnetic field B is pulled to exit the region with
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e=-d/dt(magnetic flux) = -Bd/dt(area in field) dt/dt area in field = v*length perpendicular to
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A rectangular loop with sides l and w are inside of a region with constant magnetic field B is pulled to exit the region with
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To find the magnitude of the net induced emf on the loop, you can use Faraday's law of
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The energy stored in the field increases because the magnet moves in the direction of the fed
The north pole of a bar magnet is
Top answer:
The energy stored in the field increases because the magnet moves in the direction of the field.
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A circular loop in the plane of the paper lies in a 0.78 T magnetic field pointing into the paper.
If the loop's diameter changes
Top answer:
See Related Questions below.
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A circular loop in the plane of the paper lies in a 0.78 T magnetic field pointing into the paper.
If the loop's diameter changes
Top answer:
The induced current will be in the dorection that increases the flux through the loop. The magnitude
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A single conducting loop of wire has an area of 7.4 10-4 m2 and a resistance of 110 Ω. Perpendicular to the plane of the loop
Top answer:
Emf=IR=dB/dt=.18/Time
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