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1. Derive the formula for the RMS value for the following a) b)

1. Derive the formula for the RMS value for the following a) b)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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PROBLEM SET 1. Derive the formula for the RMS value for the following a) b) 3m 2. Design a rectifier fed from 220-V line through a step-down transformer. The load requires an average voltage of 9 V and average power of 2.5 W. Use each of the three circuits: half-wave, center-tapped full-wave and bridge type full-wave. 3. Following the analysis applied to the half-wave rectifier with capacitor filter, show how to arrive at the output waveform for a center-tapped full-wave with filter capacitor. See output waveform on page 90. 4. Given: Half-wave rectifier; transformer secondary voltage = 32 V; Capacitance 4700 µF; average load voltage 18 V. Determine ripple factor and average load current 5. Design a half-wave rectifier with a capacitor filter that will deliver to the load an average voltage is 15 V at 280 mA. Ripple should not be higher than 5%. 6. Given: The input to a voltage regulator circuit varies from 11.4 to 12.2 V. The load voltage is to be maintained at 9.1V with maximum current of 95 mA. a) Which of the following zener diode can be used? Diode A: 9.1 V, 1 W; Diode B: 9.1 V, 2 W; Diode C: 9.1 V, 3 W; Diode D: 9.1 V, 5 W List all standard resistance values that can be used. 7. Analyze the n-stage voltage multiplier circuit and complete the table below: Support your entries. Half-Cycle Capacitor Voltage State of diode FB: forward-biased RB: reverse-biased Output Voltage DI D2 D3 D4 D5 CI C2 C3 C4 C5 vol vo2 vo3 vo4 vo5 1" Negative 1 Positive 2nd Negative 2nd Positive 3rd Negative
Transcribed Image Text:PROBLEM SET 1. Derive the formula for the RMS value for the following a) b) 3m 2. Design a rectifier fed from 220-V line through a step-down transformer. The load requires an average voltage of 9 V and average power of 2.5 W. Use each of the three circuits: half-wave, center-tapped full-wave and bridge type full-wave. 3. Following the analysis applied to the half-wave rectifier with capacitor filter, show how to arrive at the output waveform for a center-tapped full-wave with filter capacitor. See output waveform on page 90. 4. Given: Half-wave rectifier; transformer secondary voltage = 32 V; Capacitance 4700 µF; average load voltage 18 V. Determine ripple factor and average load current 5. Design a half-wave rectifier with a capacitor filter that will deliver to the load an average voltage is 15 V at 280 mA. Ripple should not be higher than 5%. 6. Given: The input to a voltage regulator circuit varies from 11.4 to 12.2 V. The load voltage is to be maintained at 9.1V with maximum current of 95 mA. a) Which of the following zener diode can be used? Diode A: 9.1 V, 1 W; Diode B: 9.1 V, 2 W; Diode C: 9.1 V, 3 W; Diode D: 9.1 V, 5 W List all standard resistance values that can be used. 7. Analyze the n-stage voltage multiplier circuit and complete the table below: Support your entries. Half-Cycle Capacitor Voltage State of diode FB: forward-biased RB: reverse-biased Output Voltage DI D2 D3 D4 D5 CI C2 C3 C4 C5 vol vo2 vo3 vo4 vo5 1" Negative 1 Positive 2nd Negative 2nd Positive 3rd Negative
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