wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

How much resistance should be connected to 15Ω resistor shown in the circuit in adjoining figure below so that the points M and N are at the same potential.
597348_fc08a4bdde124a3ca257bb8973b2dc0b.png

Open in App
Solution

By balance condition of Wheatstone's bridge
PQ=RS
3X=3060
X=3×6030=6Ω
1R=1R1+1R2
16=115+1R
1R=16115
1R=5230=330=110
R=10Ω in parallel

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Wheatstone Bridge
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon