Q)
(chatquestion)...6. A conducting bar is pulled with a constant speed v
on a smooth conducting rail. The region has a
steady magnetic field of induction B as shown in
the figure. If the speed of the bar is doubled then
the rate of heat dissipation will:
XV X
(1) Remain constant
(2) Become quarter of the initial value
(3) Become four fold
(4) Get doubled...(hlp idk ans)
...
