Two wires of the same metal have the same length, but their cross-sect – McqOptions

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1.	Two wires of the same metal have the same length, but their cross-section area in the ratio 3 : 1. They are joined in series. The resistance of the thicker wire is 10 Ω. The total resistance of the combination will be
A.	10 Ω
B.	20 Ω
C.	40 Ω
D.	100 Ω
Answer» D. 100 Ω

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