The two rails of a railway track insulated from each other

Last updated: 6/10/2023

The two rails of a railway track insulated from each other and the ground are connected to a milivoltmeter the earth s magnetic field at the place is 0 4 G and the angle of dip is 30 and the rails are separated by 1m The reading of the of the voltmeter when a train travels at a speed of 180 km hr along the track is 0 010 mV 10 mV 100 mV 1mY