A galvanometer can be converted into either an ammeter or a voltmeter. Before conversion, which of the following thing about the galvanometer you are required to know.
i) Resistance of the galvanometer
ii) The magnetic field in which the coil is rotating
iii) Current for full scale deflection of galvanometer
iv) Nature of its construction

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

Only i & iii are true

Only i is true

Only ii is true

Only i & ii are true

answer is D.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

For ammeter: $i = (\frac{G}{G + S}) i_{g}$

For voltmeter: $V = i_{g} (R + G)$

So, for required range required value of R and S will be used and $i_{g} and G$ will be required for conversion of a galvanometer into voltmeter or ammeter.

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE