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In a model ac generator, a 498 turn rectangular coil, 10.0 cm by 29 cm, rotates at 122 rev/min in a uniform magnetic field of 0.62 T.
(a) What is the maximum emf induced in the coil?
V
(b) What is the instantaneous value of the emf in the coil at t = (/39) s? Assume that the emf is zero at t = 0.
(c) What is the smallest value of t for which the emf will have its maximum value?
s
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1200 KVA TRANSFORMER CHANGES TEH INCOMING VOLTAGE FROM 1200 VOLTS TO 400 VOLTS. WHAT IS THE INCOMING CURRENT
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How much must this spring be stretched to store.
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A fishing line has attached to it a hollow plastic float 2.65 cm in diameter and having a mass of 1.50 g. Find the mass of a lead weight
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