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…راجعة-ليلة... · FHz 10 20 25 40 b 100 2.5 7.5 ernf 80 160 a 320 480 640 800 ernfma£ F 10 20 30 40 so 60 a = 200 volts b = 60 Hz 160—go slope = — = = 20—10

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