Shown below is a conducting rod that slides along metal rails. The apparatus is in a uniform magnetic field of strength 0.25 T, which is directly into the page. The rod is pulled to the right at a constant speed of 6 m/s by a force F. The only significant resistance in the circuit comes from the 2-0 resistor shown. (a) What is the voltage induced in the circuit? (b) What is the induced current? (c) What is the magnitude of F? (d) What are the power output of F and the power dissipated in the resistor? B Hint X 2.0 Ω X X www X X X a. Voltage of b. An induced current of c. Force F of magnitude d. Force F does work at the rate of is dissipated in the resistor. X x 4.0 cm X x X V is induced. X X X x ILL X x F X X X mA flows in Select an answer direction. mN is needed to maintain the constant speed. mW; power of mW
Shown below is a conducting rod that slides along metal rails. The apparatus is in a uniform magnetic field of strength 0.25 T, which is directly into the page. The rod is pulled to the right at a constant speed of 6 m/s by a force F. The only significant resistance in the circuit comes from the 2-0 resistor shown. (a) What is the voltage induced in the circuit? (b) What is the induced current? (c) What is the magnitude of F? (d) What are the power output of F and the power dissipated in the resistor? B Hint X 2.0 Ω X X www X X X a. Voltage of b. An induced current of c. Force F of magnitude d. Force F does work at the rate of is dissipated in the resistor. X x 4.0 cm X x X V is induced. X X X x ILL X x F X X X mA flows in Select an answer direction. mN is needed to maintain the constant speed. mW; power of mW
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