Acurrent of 12 amps is measured in a circuit with a total resistance of 9.0 ohms. what is the size of the voltage source that supplies this circuit? a. 108 volts b. 21 volts c. 1.3 volts d. 0.75 volts

How to calculate voltage drop in a series circuit

Which of these is the best way to manage a natural resource

Aswimming pool whose volume is 10 comma 000 gal contains water that is 0.01% chlorine. starting at tequals0, city water containing 0.003% chlorine is pumped into the pool at a rate of 5 gal/min. the pool water flows out at the same rate. what is the percentage of chlorine in the pool after 1 hour? when will the pool water be 0.006% chlorine?