The formula for resistors in series is derived using Kirchhoff's second law and the fact that:

  1. the resistances multiply
  2. the same current flows through each resistor
  3. the currents add
  4. the same p.d. is across each resistor
Answer

B) the same current flows through each resistor

V = IR1 + IR2 + ldots SLO P-09-E-20 · Application

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