1.

If the resistances 1Ω, 2Ω, 3Ω, 4Ω are parallel, then the equivalent resistance is?#

A. 0.46Ω
B. 0.48Ω
C. 0.5Ω
D. 0.52Ω
Answer» C. 0.5‚Äö√Ñ√∂‚àö√´¬¨‚àÇ


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