Question

A zeenr diode of power rating 1 W is to be used as a voltage regulator. If zener has a breakdownof 5 V and ithas to regulate voltage wich fluctuated between 3 V and 7 V, what should be the value of $R_{s}$ for safe operation?

• A. $5\Omega$
• B. $10\Omega$
• C. $15\Omega$
• D. $20\Omega$

Answer 1

Answer: (B)

$10\Omega$

Answer 2

: 10 $\Omega$