engineering recuitment UPPCL Technician Electrician 2022 Mock Test Electrician and Wireman Electrical Machines DC Generators
DC जनित्र की विद्युत् दक्षता ______ द्वारा दर्शायी जाती है।
1
\(n_e = {V \over E_g}\)
2
\(n_e = {E_gI_a \over VI}\)
3
\(n_e = {E_g \over V}\)
4
\(n_e = {VI \over E_gI_a}\)