Physics for IGCSE & O level - Electricity (Section 8 - No. 14)
What is the combined resistance of resistors in series?
R1 + R2
1/R1 + 1/R2
R1 - R2
R1 * R2
คำอธิบาย
The total resistance in a series circuit is the sum of the individual resistances (R1 + R2).