constant magnetic field B is directed into the page. If the speed of the bar is quadrupled, by what factor does the rate of heat dissipation change? P2 P1
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A conducting rod is pulled with constant speed v on a smooth conducting rail as shown in the figure below. A constant magnetic field
is directed into the page. If the speed of the bar is quadrupled, by what factor does the rate of heat dissipation change?
| P2 |
| P1 |
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