Problem 6 Determine the unknown load Z. The complex power accepted by total load is 50 VA with a lagging power factor of 0.8. Clues: • 50 VA is apparent power • Use conservation of ac power 24V Z0° 6Q2 j8 Ω 50VA pf = 0.8,lagging Z = ?

Problem 6 Determine the unknown load Z. The complex power accepted by total load is 50 VA with a lagging power factor of 0.8. Clues: • 50 VA is apparent power • Use conservation of ac power 24V Z0° 6Q2 j8 Ω 50VA pf = 0.8,lagging Z = ?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter23: Resistive-inductive-capacitive Series Circuits

Section: Chapter Questions

Problem 7PP: Is the power factor in Question 6 a leading or lagging power factor? Explain your answer.

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Multistage Amplifier

The multistage amplifier is generally a voltage or power amplifier. The multistage amplifier has a number of single stage amplifier that are cascaded together. Since a single stage amplifier output is not useful, they are being replaced with multistage amplifiers or multistage transistor amplifiers. The multistage amplifier are used where the gain required is high or the input signal is very small such that only a single stage amplifier cannot amplify it.

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Problem 6
Determine the unknown load Z. The complex power accepted by total load is 50 VA with a
lagging power factor of 0.8.
Clues:
• 50 VA is apparent power
• Use conservation of ac power
24V 20º
6Q2
j8 Ω
50VA
pf = 0.8,lagging
Z = ?

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