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PhysicsNEET 2021Ohm's law, resistivity, temperature dependence

Current Electricity

The effective resistance of a parallel connection that consists of four wires of equal length, equal area of cross-section and the same material is 0.25Ω0.25 \Omega. What will be the effective resistance if they are connected in series?

  1. A.0.25Ω0.25 \Omega
  2. B.0.5Ω0.5 \Omega
  3. C.1Ω1 \Omega
  4. D.4Ω4 \Omega✓

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