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Unformatted text preview: Farms * ELECTRQAMGNENCWHLWW " HUM * Famdm-smdianslrlaws [33'] © all fprce causes a conducting bar to slide at speed, v, on twe fixed, fric- tidnless canducting rails within a unifc-rm magnetic field of strength 5‘. Which of the fdllpwing changes wuuld result in the largest increase in voltage acrpss resistor, R? a. doubling the circuit resistance b. quartering the circuit resistance c. rncwing the bar at one quarter the speed :1. tripling the magnetic field strength ...
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