Physics for IGCSE & O level - Electricity (Section 2 - No. 15)
If three equal resistors are connected in parallel, and the total resistance is 2 ohms, what is the value of each individual resistor?
2 ohms
4 ohms
6 ohms
8 ohms
Vysvětlení
The formula for equal parallel resistors: R_total = R / n. Therefore, R = R_total * n => 2*3 = 6 ohms.