Q. 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
A) $E = I^{2}R$
B) $E = IR$
C) $E = R/I$
D) $E = I/R$
Explanation
The correct answer is Option B: $E = IR$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.