Design a simple power factor meter to operate from mains

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1. design a simple power factor meter to operate from 230v mains. current range=1 to 10 amps. power factor range : 0.4 to 1?

2. what is meant by normal mode rejection? an A/D converter has 20ms integration time. what is the normal mode rejection offered by this ADC for signals having frequency of (i) 150Hz (ii) 145Hz?

Reference no: EM13258412

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