QUESTION ON TIME VARYING MAGNETIC FIELDS.....A NON CONDUCTING RING HAVING CHARGE DENSITY q UNIFORMLY OVWER ITS CIRCUMFERENCE IS PLACED ON A ROUGH HORIZONTAL SURFACE. A VERTICAL TIME VARYING MAGNETIC FIELD B= 4 t ^2 IS SWITCHED ON AT t=0 . MASS OF THE RING IS m AND RADIUS r. THE RING ATARTS ROTATING AFTER 2 SECONDS. THE COEFFICIENT OF FRICTION BETWEEN THE RING AND THE TABLE IS.................. RATES ASSURED....
Shane Macguire , 11 Years ago
Grade upto college level
