need soon a) To what value R must be adjusted in the following circuit to make I, = 65 mA. Assume V,=18 V at 55 mA and Z, = 21 Q.What is the zener voltage at 70° C, if it has a positive TC of 0.07 %/°c?R24 Vb) Using a Complete diode model, find the diode current (I,), diode voltage (V,), and outputvoltage (Vo) for the diode circuit shown below. Given that: V, = 18 V, R, =2.5 ka, BarierPotential V = 0.3 v , and r = 60 Q.If the diode was reversed and I, = 200 UA, Determine the diode reverse voltage (V)+ VoloVsRLVo

As per company guidelines we can solve only first question Please submit next question separately

a) To what value R must be adjusted in the following circuit to make I, = 65 mA. Assume V, =18 V at 55 mA and z, = 21 Q. What is the Zener voltage at 70° C, if it has a positive TC of 0.07 %/°c? 24 V

a) To what value R must be adjusted in the following circuit to make I, = 65 mA. Assume V, =18 V at 55 mA and z, = 21 Q. What is the Zener voltage at 70° C, if it has a positive TC of 0.07 %/°c? 24 V

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter59: Motor Startup And Troubleshooting Basics

Section: Chapter Questions

Problem 12SQ: How is a solid-state diode tested? Explain.

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Question

need soon

a) To what value R must be adjusted in the following circuit to make I, = 65 mA. Assume V,
=18 V at 55 mA and Z, = 21 Q.
What is the zener voltage at 70° C, if it has a positive TC of 0.07 %/°c?
R
24 V
b) Using a Complete diode model, find the diode current (I,), diode voltage (V,), and output
voltage (Vo) for the diode circuit shown below. Given that: V, = 18 V, R, =2.5 ka, Barier
Potential V = 0.3 v , and r = 60 Q.
If the diode was reversed and I, = 200 UA, Determine the diode reverse voltage (V)
+ Vo
lo
Vs
RL
Vo

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