*Image* Find R so that load voltage remains 18 volts as input voltage is free to vary from 22 V to 28 V.Zener diode shown can maintain a constant voltage of 18 V for I between 2mA and 200mA.Rl(load resistance) is 18ohm ...
i hav got 6500 in jee...i don wanna join IT-BHU or ISMU DHANBAD.... plzz tell where i can join n which courses(only iits).....considering seats hav increased dis year n all others factor as well..plz!! ...
