A 39-turn circular coil of wire has a diameter of 1.2m. It is placed with its axis along the direction of the Earth's magnetic field of 58μT at 52° below the horizontal, and then in 0.16s it is flipped 180°.

a) What is volts the magnitude of the average induced emf in the coil?

b) We would like 100 x the voltage found in part a to be generated between the wingtips of an airplane of 62.9 m wingspan flying horizontally in the same region. What would be in m/s the needed speed of the airplane?

1 answer

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