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The drawing shows a plot of the output emf of a generator as a function of time t. The coil of this device has a cross-sectional area per
turn of 0.018 m² and contains 170 turns. Find (a) the frequency f of the generator in hertz, (b) the angular frequency w in rad/s, and (c)
the magnitude of the magnetic field.
(a) Number
(b) Number i
(c) Number
i
+28 V
Emf
10.21 s
0.63
Men Mean
0
10.42 s
-28 V
Units
Units
Units
+
#
0.84 s

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