Four 13 resistors are connected in parallel across a 22 V id

Four 13 resistors are connected in parallel across a 22 V ideal battery, what is the current through the battery? 71.66 Amp Submit Answer Unable to interpret units. Computer reads units as \"Amp\". Tries 0/5 Previous Tries

Solution

Four 13 ohm resistors are in parallel

13 * 13 (13 + 13) = 6.5 ohms

13 * 6.5 / (13 + 6.5) = 4.33 ohms

R_equ = 13 * 4.33 / (13 + 4.33) = 3.25 ohms

current I = V / R_equ = 22 / 3.25

current = 6.77 A