JEE Main & Advanced
Physics
Electro Magnetic Induction
Question Bank
Self Evaluation Test - Electromagnetic Induction
question_answer
The two rails of a railway track, insulated from each other and the ground, are connected to a milli voltmeter. What is the reading of the milli voltmeter when a train travels at a speed of 180 km/hour along the track, given that the vertical component of earth's magnetic field is\[0.2\times {{10}^{-4}}\,weber/{{m}^{2}}\] and the rails are separated by 1 m?