If resistors are in series then equivalent resistance will be ?

general knowledge science & technology

  1. Req = R1 + R2

  2. Req = R1 + R2 + R3

  3. Req = R1 + R2 + R3 + . . . . . . + Rn

  4. Req = R1 - R2 - R3 - . . . . . . -Rn

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Correct Option: C

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