Electro Magnetic Induction And Alternating Currents Question 441

Question: The wing span of an aeroplane is 20 metre. It is flying in a field, where the vertical component of magnetic field of earth is 5 ´ 10?5 tesla, with velocity 360 km/h. The potential difference produced between the blades will be [CPMT 2003]

Options:

A) 0.10 V

B) 0.15 V

C) 0.20 V

D) 0.30 V

Show Answer

Answer:

Correct Answer: A

Solution:

$ e=Bvl=5\times {{10}^{-5}}\times \frac{360\times 1000}{3600}\times 20=0.1V $



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