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Unformatted text preview: from your arm using a hand crank, or from a steam driven turbine, etc. 30. A generator is more diFcult to rotate when connected to and supplying electric current because the work input must be at a fast enough rate to power both the current and the rotational motion. If the circuit is not hooked up, then yoiu need only supply enough power for the rotational motion. (We saw this way back when we used the hand driven generator to power a light bulb and then disconnected the bulb.) 1...
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- Spring '08