A) R
B) 2R
C) \[\frac{R}{4}\]
D) \[\frac{R}{2}\]
Correct Answer: A
Solution :
Key Idea: The balanced condition of Wheat-stone?s bridge is, \[\frac{{{R}_{AB}}}{{{R}_{BC}}}=\frac{{{R}_{AD}}}{{{R}_{DC}}}\] As bridge is in balanced condition, no current will flow through BD.You need to login to perform this action.
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