Physics · Semiconductor Electronics
A 9 V stabilized voltage supply is required to run a car stereo system from the car's 12 V battery. A Zener diode with VZ = 9 V and Pmax = 0.27 W is used as a voltage regulator. If the load resistance is 450 Ω, the Zener diode current is:
- 10.05 A
- 20.04 A
- 30.03 A
- 40.02 A✓
Correct answer
0.02 A
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