Variation of Specific, Equivalent and Molar Conductivities with Concentration
Five resistan...
Question
Five resistances are combined according to the figure. The equivalent resistance between the point X and Y will be
A
10Ω
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B
22Ω
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C
20Ω
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D
50Ω
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Solution
The correct option is A10Ω (a)
The equivalent circuit of above can be drawn as
Which is a balanced wheatstone bridge.
So current through AB is zero.
So 1R=120+120=110⇒R=10Ω