The figure below shows a conducting rod sliding along a pair of conducting rails. The conducting rails have an angle of inclination of θ=38 degrees. There is a resistor at the top of the ramp that connects the two conducting rails R=1.5Ω. The mass of the rod is 0.42 kg. The rod starts from rest at the top of the ramp at time t=0. The rails have negligible resistance and friction, and are separated by a distance L=15.2 m. There is a constant, vertically directed magnetic field of magnitude B=1.2 T. Find the emf induced in the rod as a function of its velocity down the rails. What is the emf when the velocity is 9.209e−03 m/s? What is the rod's terminal speed? When the rod moves at its terminal speed, what is the power dissipated in the resistor?
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The figure below shows a conducting rod sliding along a pair of conducting rails. The conducting rails have an angle of inclination of θ=38 degrees. There is a resistor at the top of the ramp that connects the two conducting rails R=1.5Ω. The mass of the rod is 0.42 kg. The rod starts from rest at the top of the ramp at time t=0. The rails have negligible resistance and friction, and are separated by a distance L=15.2 m. There is a constant, vertically directed magnetic field of magnitude B=1.2 T.
Find the emf induced in the rod as a function of its velocity down the rails. What is the emf when the velocity is 9.209e−03 m/s?
What is the rod's terminal speed?
When the rod moves at its terminal speed, what is the power dissipated in the resistor?