A microammeter has a resistance of 100 Ωand a full scale range of 50μA. It can be used as a voltmeter or as a higher range ammeter provided a resistance is added to it. Pick the correct range and resistance combination(s).

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

50 V range with 10 KΩ resistance in series

10 V range with 200 kΩ resistance in series

5 mA range with 1Ω resistance in parallel

10 mA range with 1Ωresistance in parallel

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

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

Take Free Test

Detailed Solution

We know that I˙g=V/(R+G)For a,50×10−6=50/(R+100)R=106−100ΩFor b,50×10−6=10/(R+100)∴ R=200×103ΩFurther ig={S/(S+G)}iFor c,50×10−6={S/(S+100)}5×10−3Solving, we get S=100/99≈1Ω

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 Books for IIT JEE

Best Books for NEET

How to Join IIT after 10th

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 Books for IIT JEE

Best Books for NEET

How to Join IIT after 10th