Four wires of same material, the same cross-sectional area and the same length when connected in parallel give a resistance of 0.25 Ω. If the same four wires are connected is series the effective resistance will be
A. 1 Ω
B. 2 Ω
C. 3 Ω
D. 4 Ω
Answer: Option D
This Question Belongs to Electrical Engineering >> Current Electricity
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Req Parallel=0.25
1 Res=0.25*4=1 ohm
4 resistance series =4