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a) Calculate the magnitude of the induced emf in the circuit. b) Determine the direction of the induced current in the circuit i) based on the magnetic force on the charges in the moving bar; ii) based on Faraday's law; iii) based on Lenz's law. c) Calculate the current through the resistor.

a) Calculate the magnitude of the induced emf in the circuit. b) Determine the direction of the induced current in the circuit i) based on the magnetic force on the charges in the moving bar; ii) based on Faraday's law; iii) based on Lenz's law. c) Calculate the current through the resistor.

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A metal bar 1.50 m long is pulled to the right with a uniform speed of 5.0 X a X R cm/s in a direction perpendicular to X by a uniform 0.750 T magnetic field. The bar runs on parallel metal rails connected by a 25.0 resistor, as illustrated in Fig. 29.36, so that the device forms a complete circuit. The resistance of the bar and rails can be ignored. a) Calculate the magnitude of the induced emf in the circuit. b) Determine the direction of the induced current in the circuit i) based on the magnetic force on the charges in the moving bar; ii) based on Faraday's law; iii) based on Lenz's law. c) Calculate the current through the resistor.
X X X X X a b x X X XX
Transcribed Image Text:X X X X X a b x X X XX
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