B5 A 240V single phase energy meter has constant load current of 5A passing through it for 45 minutes at 0.8 power facto

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B5 A 240V single phase energy meter has constant load current of 5A passing through it for 45 minutes at 0.8 power facto

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B5 A 240v Single Phase Energy Meter Has Constant Load Current Of 5a Passing Through It For 45 Minutes At 0 8 Power Facto 1
B5 A 240v Single Phase Energy Meter Has Constant Load Current Of 5a Passing Through It For 45 Minutes At 0 8 Power Facto 1 (31.61 KiB) Viewed 24 times
B5 A 240V single phase energy meter has constant load current of 5A passing through it for 45 minutes at 0.8 power factor. If the meter makes 1200 revolutions during this period, what is the meter constant? If the power factor is unity, then what will be the number of revolutions of the disc in the above time? [1+1=2 Marks]
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