Question

Q4. In the given circuit, a string of three diodes is used to provide a constant voltage of 2.25V. Calculate the percentage change in this regulated voltage caused by: a) ± 15% change in the power supply voltage (no load connected) b) Connection of a 2 k? load resistance 20V R = 1.5 k? RL

          Q4. In the given circuit, a string of three diodes is used to provide a constant voltage of 2.25V.
Calculate the percentage change in this regulated voltage caused by:
a) ± 15% change in the power supply voltage (no load connected)
b) Connection of a 2 k? load resistance
20V
R = 1.5 k?
RL

Q4. In the given circuit, a string of three diodes is used to provide a constant voltage of 2.25V.
Calculate the percentage change in this regulated voltage caused by:
a) ± 15% change in the power supply voltage (no load connected)
b) Connection of a 2 k? load resistance
20V
R = 1.5 k?
RL

Added by Carlos E.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Sri K

09/19/2023

Step 1

25V. - If the power supply voltage changes by +15%, it becomes 1.15 times the original voltage. - If the power supply voltage changes by -15%, it becomes 0.85 times the original voltage. - Show more…

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Q4. In the given circuit, a string of three diodes is used to provide a constant voltage of 2.25V. Calculate the percentage change in this regulated voltage caused by: a) ± 15% change in the power supply voltage (no load connected) b) Connection of a 2 kΩ load resistance