Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. Five cells each of e.m.f. $E$ and internal resistance $r$ are connected in series. If due to over sight, one cell is connected wrongly, then the equivalent e.m.f. of the combination is

Current Electricity

Solution:

image
Net Emf $= E + E + E + E - E$
$= 3E$