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A Zener regulator has to handle supply voltage variation from 19.5V to 22.5V. Find the magnitude of regulating resistance, if the load resistance is 6KΩ. The Zener diode has the following specifications: breakdown voltage =18V, (IZ)Min=2µA, maximum power dissipation=60mW and Zener resistance =20Ω.
- a)0 < R < 500Ω
- b)77.8 < R < 500Ω
- c)77.8 < R < 100Ω
- d)18 < R < 500Ω
Correct answer is option 'B'. Can you explain this answer?
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A Zener regulator has to handle supply voltage variation from 19.5V to...
(PZ)MAX/rZ=(IZ)MAX2 . So, (IZ)MAX =60m/20=54.8µA. IL=VO/RL=18/6000=3mA.
RMAX=(VMin-VZ)/[( IZ)Min+( IL)MAX]=(19.5-18)/(2µ+3m)=500Ω.
RMin=(VMAX-VZ)/[( IZ)MAX+( IL)Min]=(22.5-18)/(54.8m+3m)=77.8Ω.
RMAX=(VMin-VZ)/[( IZ)Min+( IL)MAX]=(19.5-18)/(2µ+3m)=500Ω.
RMin=(VMAX-VZ)/[( IZ)MAX+( IL)Min]=(22.5-18)/(54.8m+3m)=77.8Ω.
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A Zener regulator has to handle supply voltage variation from 19.5V to...
To calculate the magnitude of the regulating resistance for the Zener regulator, we need to determine the current flowing through the load resistance and the Zener diode.
First, we need to find the maximum current flowing through the load resistance. This occurs when the supply voltage is at its highest value of 22.5V. Using Ohm's Law, we can calculate the current (IL) as follows:
IL = V / R
= 22.5V / 6K
= 3.75mA
Next, we need to determine the current flowing through the Zener diode. The minimum Zener current (IZ) is given as 2mA. Since the current flowing through the load resistance is higher, we can assume that the Zener current is also 3.75mA.
Now, we can calculate the current flowing through the regulating resistance (IR). This current is the difference between the load current and the Zener current:
IR = IL - IZ
= 3.75mA - 3.75mA
= 0mA
Since the current through the regulating resistance is 0mA, we can conclude that the magnitude of the regulating resistance is infinite (or very high). This means that no current flows through the regulating resistance, and the Zener diode is solely responsible for regulating the voltage.
First, we need to find the maximum current flowing through the load resistance. This occurs when the supply voltage is at its highest value of 22.5V. Using Ohm's Law, we can calculate the current (IL) as follows:
IL = V / R
= 22.5V / 6K
= 3.75mA
Next, we need to determine the current flowing through the Zener diode. The minimum Zener current (IZ) is given as 2mA. Since the current flowing through the load resistance is higher, we can assume that the Zener current is also 3.75mA.
Now, we can calculate the current flowing through the regulating resistance (IR). This current is the difference between the load current and the Zener current:
IR = IL - IZ
= 3.75mA - 3.75mA
= 0mA
Since the current through the regulating resistance is 0mA, we can conclude that the magnitude of the regulating resistance is infinite (or very high). This means that no current flows through the regulating resistance, and the Zener diode is solely responsible for regulating the voltage.
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A Zener regulator has to handle supply voltage variation from 19.5V to 22.5V. Find the magnitude of regulating resistance, if the load resistance is 6KΩ. The Zener diode has the following specifications: breakdown voltage =18V, (IZ)Min=2µA, maximum power dissipation=60mW and Zener resistance =20Ω.a)0 < R < 500Ωb)77.8 < R < 500Ωc)77.8 < R < 100Ωd)18 < R < 500ΩCorrect answer is option 'B'. Can you explain this answer?
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A Zener regulator has to handle supply voltage variation from 19.5V to 22.5V. Find the magnitude of regulating resistance, if the load resistance is 6KΩ. The Zener diode has the following specifications: breakdown voltage =18V, (IZ)Min=2µA, maximum power dissipation=60mW and Zener resistance =20Ω.a)0 < R < 500Ωb)77.8 < R < 500Ωc)77.8 < R < 100Ωd)18 < R < 500ΩCorrect answer is option 'B'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about A Zener regulator has to handle supply voltage variation from 19.5V to 22.5V. Find the magnitude of regulating resistance, if the load resistance is 6KΩ. The Zener diode has the following specifications: breakdown voltage =18V, (IZ)Min=2µA, maximum power dissipation=60mW and Zener resistance =20Ω.a)0 < R < 500Ωb)77.8 < R < 500Ωc)77.8 < R < 100Ωd)18 < R < 500ΩCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A Zener regulator has to handle supply voltage variation from 19.5V to 22.5V. Find the magnitude of regulating resistance, if the load resistance is 6KΩ. The Zener diode has the following specifications: breakdown voltage =18V, (IZ)Min=2µA, maximum power dissipation=60mW and Zener resistance =20Ω.a)0 < R < 500Ωb)77.8 < R < 500Ωc)77.8 < R < 100Ωd)18 < R < 500ΩCorrect answer is option 'B'. Can you explain this answer?.
A Zener regulator has to handle supply voltage variation from 19.5V to 22.5V. Find the magnitude of regulating resistance, if the load resistance is 6KΩ. The Zener diode has the following specifications: breakdown voltage =18V, (IZ)Min=2µA, maximum power dissipation=60mW and Zener resistance =20Ω.a)0 < R < 500Ωb)77.8 < R < 500Ωc)77.8 < R < 100Ωd)18 < R < 500ΩCorrect answer is option 'B'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about A Zener regulator has to handle supply voltage variation from 19.5V to 22.5V. Find the magnitude of regulating resistance, if the load resistance is 6KΩ. The Zener diode has the following specifications: breakdown voltage =18V, (IZ)Min=2µA, maximum power dissipation=60mW and Zener resistance =20Ω.a)0 < R < 500Ωb)77.8 < R < 500Ωc)77.8 < R < 100Ωd)18 < R < 500ΩCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A Zener regulator has to handle supply voltage variation from 19.5V to 22.5V. Find the magnitude of regulating resistance, if the load resistance is 6KΩ. The Zener diode has the following specifications: breakdown voltage =18V, (IZ)Min=2µA, maximum power dissipation=60mW and Zener resistance =20Ω.a)0 < R < 500Ωb)77.8 < R < 500Ωc)77.8 < R < 100Ωd)18 < R < 500ΩCorrect answer is option 'B'. Can you explain this answer?.
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ample number of questions to practice A Zener regulator has to handle supply voltage variation from 19.5V to 22.5V. Find the magnitude of regulating resistance, if the load resistance is 6KΩ. The Zener diode has the following specifications: breakdown voltage =18V, (IZ)Min=2µA, maximum power dissipation=60mW and Zener resistance =20Ω.a)0 < R < 500Ωb)77.8 < R < 500Ωc)77.8 < R < 100Ωd)18 < R < 500ΩCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice Electrical Engineering (EE) tests.
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