Sol:-Given circuit:-rarr For the zener diode to operate in Breakdown region: E should be > E xx(R_(0))/(R+R_(0)) > V_(Z_(0)) E xx(300)/(800) > 3=>E=(3xx8)/(3)=8V:.E Should be greater than 8V.rarr we have other parameters r_(z)&P_(z) :Sol:-Given circuit:-rarr For the zener diode to operate in Breakdown region: E shoul ... See the full answer