A conducting ring is located near the N pole of a strong permanent magnet. If th

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A conducting ring is located near the N pole of a strong permanent magnet. If the ring is tc rotate to establish a current flow within it, would it be better to rotate it as shown in diagram (a) or diagram (b)? 15) A circuit has an emf source that causes a current to flow through a resistor and an inductor connected in series. If the magnitude of the induced emf is epsilon (t) when the resistance of R_1 is used, characterize the induced emf if the resistor would have had resistance R_2, where R_1

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Q16.
Because a comet is made of ice, and when it gets close to the sun, the solar wind vaporizes the ice, creating tail which always points away from the sun.

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