Questions
In the circuit shown in the below figure, the potential difference between B and D is zero. The unknown resistance X is of
a
4 Ω
b
2 Ω
c
3 Ω
d
E.m.f. of a cell is required to find the value of X
detailed solution
Correct option is B
By balanced Wheatstone bridge condition, 16X =40.5⇒ X = 84 = 2 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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