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Coil 1 has L1 = 47 mH and N1 = 104 turns. Coil 2 has L2 = 68 mH and N2 = 215 turns. The coils are fixed in place; their mutual inductance M is 5.8 mH. A 9.4 mA current in coil 1 is changing at the rate of 7.3 A/s.
(a) What magnetic flux %u03A612 links coil 1, and
(b) what self-induced emf appears in that coil?
(c) What magnetic flux %u03A621 links coil 2 (in nWb), and
(d) what mutually induced emf appears in that coil?
A car takes 16 s to go from v = 0 to v = 50 m/s at approximately constant acceleration. If you wish to find the distance travelled using the equation d = 1/2 at2, what value should you use for a.
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