Physics, 07.09.2019 03:20 pineapplepizaaaaa
An electric generator is constructed using a permanent magnet with magnetic field magnitude, 10mt. a circular loop of wire of radius, 50cm is rotated at a rate of 5 rev/s. (a) write an expression for the power output (as a function of time) by a lightbulb with resistance 15kω which is hooked up to this generator.
(b) would the power output increase or decrease if we decrease the resistance of the lightbulb?
Answers: 3
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If a simple machine reduces the strength of a force, what must be increased?
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Aloop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. a loop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. moving the loop outside of the magnetic field region. spin the loop such that its axis does not consistently line up with the magnetic field direction. change the magnitude of the magnetic field. change the diameter of the loop
Answers: 1
An electric generator is constructed using a permanent magnet with magnetic field magnitude, 10mt. a...
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