Two rails of a railway track, insulated from each other and the ground, are connected to a millivoltmeter. What is the reading of the millivoltmeter when a train travels at a speed of 
along the track? Given that, the vertical component of earth's magnetic field is 
and the rails are separated by 1 m .
Text Solution
Verified by ExpertsThe correct answer is:
B
As, potential difference, 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A 50 mH coil carries a current of 2 A. The energy stored (in J) is
In an inductor of inductance , a current of is flowing. The energy stored in the inductor is
The SI unit of inductance, can be written as
Two pure inductors each of self-inductance L are connected in parallel but are well separated from …
Two coils X and Y are placed in a circuit such that when the current changes by 2 A in coil X. The …
Two coils have a mutual inductance of 0.005 H. The current changes in the first coil according to e…