What is the wavelength of this wave?
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Physics, 22.06.2019 04:30
In a system, when potential energy decreases, then entropy also decreases. true false
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The difference between a red shift and a blue shift has to do with wavelength frequency. t or f
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Physics, 22.06.2019 10:20
Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?
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