engineering recuitment BSPHCL Technician (Electrician) 2024 Mock Test Electrician and Wireman Electrical Machines Alternators
The efficiency '\(\eta\)' of a 3-phase alternator is given by:
1
\(\eta = {{Output} \over Output + Losses}\)
2
\(\eta = {{Input} \over Iutput + Losses}\)
3
\(\eta = {{Output - Losses} \over Output}\)
4
\(\eta = {{Input} \over Output + Losses}\)