Question

A battery of e.m.f E and internal resistance r is connected
to a variable resistor R as shown. Which one of the
following is true ?
(a) Potential difference across the terminals of the battery
is maximum where R = r
(b) Power delivered to resistor is maximum when
R = r
(c) Current in the circuit is maximum when R = r
(d) Current in the circuit is maximum when R >> r

Answer 1

$\green{E - reservation\\ also\: known\: as\: electronic \:reservation\: refers\: to \:making\: the\: appointments\\ online,\: which\: means\: by \:using \:the \:internet.\: A\\ \: person\: can\: \:only\: check\: the\\ availability \:of \:seats\: in\: a\: bus, \:ferry \:or \:aircraft\\ \: by\: using\: E- reservation.}$