3. D, is a Zener diode with an -100 mA and a maximum allowed power dissipation of 20 w. R1 5 ohms 25 V RL D1 IL a) Find the power dissipated in the Zener diode if R 5 ohms. b) If R, = 5 ohms find the largest allowed value of R, for which the circuit operates satisfactorily as a regulated power supply. %3D c) Find I, if R, is set equal to 2.5 ohms (with R, -5 ohms). VZZ= 10V ww +
3. D, is a Zener diode with an -100 mA and a maximum allowed power dissipation of 20 w. R1 5 ohms 25 V RL D1 IL a) Find the power dissipated in the Zener diode if R 5 ohms. b) If R, = 5 ohms find the largest allowed value of R, for which the circuit operates satisfactorily as a regulated power supply. %3D c) Find I, if R, is set equal to 2.5 ohms (with R, -5 ohms). VZZ= 10V ww +
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Transcribed Image Text:3. D, is a Zener diode with an Ix 100 mA and a maximum allowed power
dissipation of 20 W.
R1
5 ohms
25 V
RL
D1
IL
a) Find the power dissipated in the Zener diode if R
5 ohms.
%3D
b) If R, = 5 ohms find the largest allowed value of R, for which the circuit
operates satisfactorily as a regulated power supply.
%3D
c) Find I, if R, is set equal to 2.5 ohms (with R, 5 ohms).
VZZ= 10V
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