PhysicsCurrent electricityWAEC
A wire of resistance 8 Ω is cut into two equal halves, which are then joined in parallel. Find the new resistance.
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Answer: D. 2 Ω
Each half is 4 Ω; 4 Ω in parallel with 4 Ω gives 2 Ω.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.