Physics · Transformers
The all-day efficiency of a transformer is defined as the ratio of:
- 1kVA output to the kVA input
- 2Output power to the input power
- 3kW output in 24 hours to the kW input in 12 hours
- 4kWh output in 24 hours to the kWh input in 24 hours✓
Correct answer
kWh output in 24 hours to the kWh input in 24 hours
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