railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines DC Generators Generator EMF Equation
Which of the following expression correctly represents the relation between the generated voltage in a DC machine and the flux per pole?
1
\(E_g \propto \frac{1}{\phi}\)
2
\(E_g \propto \sqrt{\phi}\)
3
\(E_g \propto \phi\)
4
\(E_g \propto \frac{1}{\sqrt{\phi}}\)