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Network Elements and the Concept of Circuit

  1. A long uniform coil of inductance 2L and associated resistance 2R ohms is physically cut into two exact halves which are rewound in parallel. The resistance and inductance of the combination are—
    1. R and L
    2. 2R and 2L
    3. R
      and
      L

      22
    4. R
      and
      L

      44
Correct Option: C

Given inductance of the coil is 2L and cut into two exact equal halves.

L eq = L || L =
L
2

R eq = R || R =
R
2



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