nsaduadhq90751 nsaduadhq90751 12-04-2024 Physics contestada An 18. 0 Ω, 9. 00 Ω, and 6. 00 Ω resistor are connected in parallel to an emf source. A current of 4. 00 A is in the 9. 00 Ω resistor. a. Calculate the equivalent resistance of the circuit. b. What is the total current in the circuit?