Mathematics · Electrical Measurements and Errors
An Ampere-hour (Ah) meter connected on a 220 V supply line passes a constant current of 10 A for a test duration of 20 minutes. If the meter registers 0.753 kWh during this duration, calculate the percentage error of the meter.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.027%
- 20.27%
- 327%
- 42.7%✓
Correct answer
2.7%
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