For the given circuit diagram; the equivalent resistance across battery is :
A
5Ω
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B
10Ω
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C
20Ω
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D
15Ω
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Solution
The correct option is D15Ω Resistance 8Ω and 0.5Ω are in series and Resistance 7Ω,1Ω and 10Ω are also in series. now (7+1+10=18) are in parallel with 6Ω resistor. so their equivalent is4.5Ω