question_answer

An electric wire is connected across a cell of e.m.f. E. The current \[I\] is measured by an ammeter of resistance R. According to ohm's law                                          [MP PMT 1993]

A)                    \[E={{I}^{2}}R\]

B)                                      \[E=IR\]

C)                    \[E=R/I\]                        

D)            \[E=I/R\]