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

Question

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

Infinity Learn · Accepted Answer

$$e=Bv$$.$$vl=0.2$$×$$10$$−$$4$$×$$180$$×$$10003600$$×$$1=10$$−$$3V$$

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