TS EAMCET · Physics · Semiconductors
When a zener diode is used as a regulator with zener voltage of \(10 \mathrm{~V}\), nearly five times the load current passes through the zener diode. What should be the series resistance for the zener diode. If load resistance is \(2 \mathrm{k} \Omega\) and the unregulated voltage supplied is \(16 \mathrm{~V}\).
- A \(500 \Omega\)
- B \(100 \Omega\)
- C \(200 \Omega\)
- D \(800 \Omega\)
Answer & Solution
Correct Answer
(C) \(200 \Omega\)
Step-by-step Solution
Detailed explanation
According to the question, the circuit diagram of zener diode as a voltage regulator is shown below, Given, voltage supply, \(V_s=16 \mathrm{~V}\), voltage across zener diode, \(V_Z=10 \mathrm{~V}\), current passes through the zener diede, \(I_Z=5 I_L\) and load resistance…
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