question_answer

An aeroplane is moving north horizontally, with a speed of 200\[m{{s}^{-1}},\]at a place where the vertical component of the earths magnetic field is \[0.5\times {{10}^{-4}}\] T. What is the induced emf set up between the tips of the wings if they are 10 m apart?

A)  0.01 V                                  

B)  0.1 V

C)  1 V                                        

D)  10 V

E)  None of these