Electronic Devices - Special-Purpose Diodes - Discussion
Discussion Forum : Special-Purpose Diodes - General Questions (Q.No. 17)
17.
Refer to this figure. If the load current increases, IR will ________ and IZ will ________.
Discussion:
4 comments Page 1 of 1.
Sukhman Bhullar said:
1 decade ago
It is based on simple formula.
Current through resistor= current through zener diode + Load current.
With increase in load current, the current through zener will decrease and current through resistor will remain same.
Current through resistor= current through zener diode + Load current.
With increase in load current, the current through zener will decrease and current through resistor will remain same.
(3)
Shyam kishore said:
1 decade ago
This is a simple circuit used as voltage regulator.
The application of zener diode is to maintain voltage across the load even though the input voltage fluctuate and output load current.
Simple funda is:
The Zener conducts the least current when the load current is the highest and it conducts the most current when the load current is the lowest.
Thus, with increase in load resistance, load current decreases and Ir remains the same.
The application of zener diode is to maintain voltage across the load even though the input voltage fluctuate and output load current.
Simple funda is:
The Zener conducts the least current when the load current is the highest and it conducts the most current when the load current is the lowest.
Thus, with increase in load resistance, load current decreases and Ir remains the same.
(1)
Suny said:
1 decade ago
When load current increase than zener decrease to maintain it OK.
(1)
Anamika said:
1 decade ago
Please explain the answer.
(1)
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers