A rod of 5.0m length is held horizontally and with its axis in an east-west direction. It is allowed to fall straight down. What is the emf induced in it when its speed is 3.0m/s if the earth's magnetic field is
0.60×10^−4 T with a dip angle of 53 degrees?
a. 5.4×10^−4V
b. 3.6×10^−3V
c. 2.0×10^−5V
c. 4.2×10^−4V
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