4 A resistor of 40 ohms is in series with two resistors A

Last updated: 6/26/2023

4 A resistor of 40 ohms is in series with two resistors A and B in parallel The resistance of A is 100 ohms The entire series parallel circuit is connected acros 120 volt supply Determine the resistance in ohms to which resistor B must be adjusted in order that current to entire circuit to be 1 2 amperes Solution 200 Q 175 Q 125 Q O 150 Q