Mathematics · Current Electricity
The effective resistance of a series combination of four identical wires having equal length and equal area of cross-section is 4 Ω. What will be the effective resistance when these resistance wires are connected in parallel?
- 11 Ω
- 20.4 Ω
- 30.25 Ω✓
- 44 Ω
Correct answer
0.25 Ω
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