Physics for IGCSE & O level - Electricity (Section 3 - No. 37)
If two resistors (R1 and R2) are connected in parallel, and R1 = R2, what is the total resistance compared to either resistor?
Greater than either
Equal to either
Half of either
Double either
คำอธิบาย
When equal resistors are in parallel, the total resistance is half.