Question 13

A coil consisting of 500 turns of wire, enclosing an area of 0.2 m^2, is rotated about an east-west axis in the earth's magnetic field at 10 revolutions per second. If the amplitude of the induced emf is 0.314 Volts, what is the flux density (B) of the earth's field?

Answer

Formula Sheets

Question 12

Question 14

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