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A coil has 460 turns andself-inductance 3.45 mH. The currentin the coil varies with time according to i = (680mA) cos(πt/0.0250 s).
a) What is the maximum emf induced in the coil?b) What is the maximum average flux through each turn of the coil?c) At t = 0.0175 s, what is the magnitude of the induced emf?
a what would brewsters angle be for reflections off the surface of water when the light source is beneath the surface?b
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