railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Electrical Machines Transformer Efficiency of a Transformer
The all-day efficiency of a transformer is defined as the ratio of ______.
1
kWh output in 24 hours to the kWh input in 24 hours
2
kW output in 24 hours to the kW input in 12 hours
3
output to the input
4
kVA output to the kVA input