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  • Two rails of a railway track insulated from each other and the ground are connected to a milli voltmeter. What is the reading of voltmeter, when a train travels with a

Two rails of a railway track insulated from each other and the ground are connected to a milli voltmeter. What is the reading of voltmeter, when a train travels with a speed of 180 km/hr along the track. Given that the vertical component of earth's magnetic field is 0.2×10-4 weber/m2 and the rails are separated by 1 metre

Option: 1

 

 

10-2 volt 


Option: 2

 

 

10-4 volt


Option: 3

           

10-3 volt

              

 


Option: 4

    1 volt


Answers (1)

best_answer

 

 

 

e=B_{v} \cdot v l=0.2 \times 10^{-4} \times\left(\frac{180 \times 1000}{3600}\right) \times 1=10^{-3} V

Posted by

Nehul

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