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The two rails, separated by 1m, of a rai...

The two rails, separated by 1m, of a railway track are connected to a voltmeter. What will be the reading of the voltmeter when a train travels on the rails with speed 5m/s. The earth's magnetic field at the place is `4xx10^(-4)T`, and the angle of dip is `30^(º)`.

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