when two resistance of ten ohm and twenty ohm are connected in parallel then what is the effective resistance
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the effective resistance is 6.67 ohms
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given r1=10ohm,...r2=20ohms.....
connected...In Parallel..so...1/R=1/r1+1/r2...then....1/R=1/10+1/20=>>>>2+1/20=>>>11/20=>>>then20/11 is the answr
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