Questions
In the given circuit, what will be the equivalent resistance between the points A and B ?
a
10/3Ω
b
20/3Ω
c
2Ω
d
5Ω
detailed solution
Correct option is A
This is a case of balanced Wheatstone bridge becausePQ=RS or 23=46Therefore, no current will flow through 10 Ω resistance .now, the equivalent resistance can be calculated by using figHere, RACB=(2+3)=5Ωand RADB=(4+6)=10ΩNow,RACB and RABB are in parallel∴ 1Rresultant =15+110=2+110=310or RT=(10/3)ΩTalk to our academic expert!
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Seven resistances are connected as shown in the figure. The equivalent resistance between A and B is
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