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A Zener of power rating 1 W is to be used as a voltage regulator. If the Zener has a breakdown of 5V and it has to regulate voltage which fluctuates between 3V and 7V, what should be the value of Rs for safe operation?

Options

  1. A5 Ω
  2. B10 Ω
  3. C15 Ω
  4. D20 Ω

Correct answer

B. 10 Ω

Step-by-step solution

Correct Option is : (B) 10 Ω

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