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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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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
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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