How can three resistors of resistances 2 Ω , 3 Ω and 6 Ω be connected to give a total resistance of a) 4 Ω b) 1 Ω
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To obtain a total resistance of 4 Ω from three resistors of given resistances, Firstly, connect the two resistors of 3Ω and 6Ω in parallel to get a total resistance of 2Ω which is less than the lowest individual resistance. Hence, the total resistance of the circuit is 4 Ω. ... ⇒ 1/R = 1 Ω.
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