Question:
A copper rod of mass m slides under gravity on two smooth
Last updated: 6/12/2023
![A copper rod of mass m slides under gravity on two smooth](https://media.kunduz.com/media/sug-question-candidate/20210730173049889403-3435140.jpg?h=512)
A copper rod of mass m slides under gravity on two smooth parallel rails distance apart and set an angle to the horizontal 0 At the bottom the rails are joined by a resistance R in figure There is a uniform magnetic field B perpendicular to the plane of the rails The terminal velocity of rod is