JEE Main 2017PhysicsCurrent ElectricityMediumMCQ

JEE Main 2017 — Current Electricity Question with Solution

JEE Main 2017 (02 Apr)

Question

When a current of  5 mA is passed through a galvanometer having a coil of resistance 15 Ω, it shows full-scale deflection. The value of the resistance to be put in series with the galvanometer to convert it into a voltmeter of range 0-10 V is:

Choose an option

Show full solutionCorrect option: B
Correct answer
B1.985×103 Ω

Step-by-step explanation

∆V=IgRg+RH

10=5×10-3x+15

x=1.985×103 Ω

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About this question

This is a previous-year question from JEE Main 2017, 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.