JEE Main 2014 — Current Electricity Question with Solution
JEE Main 2014 (12 Apr Online)
Question
In the experiment of calibration of voltmeter, a standard cell of e.m.f. volt is balanced against of potential wire. The potential difference across the ends of resistance is found to balance against of the wire. The corresponding reading of voltmeter is volt. The error in the reading of volmeter will be:
Choose an option
Show full solutionCorrect option: D
Correct answer
D volt
Step-by-step explanation
In a voltmeter
Now, it is given volt for and volt for Let the error in reading of voltmeter be then,
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Current Electricity chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2014, covering the Current Electricity chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.