Questions
The ring shown in fig. has zero resistance. The
equivalent resistance between points A and B will be
a
R
b
2 R
c
3R
d
4R
detailed solution
Correct option is D
The three resistances of 6 R resistance each are connected in parallel. Their equivalent resistance is 1R′=16R+16R+16R=36R or R′=2RThis R is in series with 2 R resistance. Hence, equivalent resistance between B and A will beRAB=2R+2R=4RTalk to our academic expert!
Similar Questions
Four wires of equal length and of resistance 10 each are connected in the form of a square. The equivalent resistance between two opposite corners of the square is
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