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Ehrenfest paradox (Ehernfest, 1909)
The special relativistic "paradox" including a quickly rotating disc. As any radial segment of the disc is perpendicular to the direction of motion, there must be no length contraction of the radius; though, since the circumference of the disc is parallel to the direction of motion, it has to contract.
Ques: For the case of a capacitor which is originally charged and then connected across a resistor the charge on the capacitor the voltage across the capacitor and the current
why is the colour of sky blue
Tesla; T (after N. Tesla, 1870-1943): The derived SI unit of magnetic flux density, described the magnetic flux density of magnetic flux of 1 Wb by an area of 1 m 2 ; thus it
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In a non-uniform magnetic material, these substances move from stronger parts of the field to the weaker parts.why?
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