JEE Main 2020 — Current Electricity Question with Solution
From: JEE Main 2020 (Online) 5th September Evening Slot
Question
A galvanometer is used in laboratory for
detecting the null point in electrical
experiments. If, on passing a current of 6 mA it
produces a deflection of 2o, its figure of merit
is close to :
Choose an option
Show full solutionCorrect option: C
Correct answer
C3 10–3 A/div
Step-by-step explanation
figure of merit =
=
= 3 10–3 A/div
=
= 3 10–3 A/div
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This is a previous-year question from JEE Main 2020, 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.