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The diagram above shows a meter bridge in which... - JAMB Physics 1992 Question

The diagram above shows a meter bridge in which two of thee arms contain resistances R and 2Ω. A balance point is obtained at 60cm from the left end , calculate the value of R
A
1.2Ω
B
1.3Ω
C
3.0Ω
D
6.0Ω
correct option: c
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