Answer to Question 2

 

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An aeroplane is flying at a speed of 200 m s-1 above a geographical area where the vertical component of the Earth's magnetic field is 4.5 10-5 T.  Its wingspan is 30 m.  Calculate the EMF.

 The wingspan is 1 turn.

 

EMF = 1 200 m s-1 30 m 4.5 10-5 T = 0.27 V