Physics

Physics, 29.08.2019 19:00, mistergutsy8622

How can voltage be induced in a wire with the of a magnet?

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Physics, 25.09.2019 01:00, jaleelbrown80

When a magnet is moved into a wire coil, voltage is induced. if the coil had twice as many loops, the voltage induced would be?

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Physics, 05.10.2019 08:00, robsantana11

Iam trying to the max voltage produced from a magnetic being dropped through a wire with a relationship on the height the magnet is dropped from. i know that emf=-v= n(partial derivative of magnetic flux). but i am not sure how to relate this to the height the magnet is dropped through a solenoid (wire coil). it would be amazing if anyone could me with this formula. i tried finding the velocity with ki, ko and ui, and uo, but i don't know how to join them. i am dropping a magnet through a wire from varing heights and measureing the max voltage that is measured. i am trying to derive the ideal equation for this procress

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Physics, 09.10.2019 15:30, autumperry3599

Electric current can best be induced in a wire by a. stretching the wire. b. moving a magnet up and down near the wire. c. setting the wire near a magnet. d. rotating the wire. e. none of the above

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Physics, 11.10.2019 22:30, angeljaylyn123

Acircular loop of wire lies flat on a level table top. a bar magnet is held stationary above the circular loop with its north pole point downward. as viewed from above, in what direction does the induced current flow in the loop of wire? a.no current is induced in the loop of wire. b.an induced current flows clockwise in the loop of wire. c.an induced current flows counterclockwise in the loop of wire. d.the direction of the induced current cannot be determined from the given information.

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