It is defined as the ratio of rms load voltage and average load voltage of an alternating current. Your answer In electronics it is define as the ratio of the RMS (root mean square) value to the average value (mathematical mean of absolute values of all points on the waveform). Your answer By definition: It is the amount of rms value of ac component to the dc component in the rectifier output. Your answer It is defined as ratio of dc power available at the load to the input ac power. Your answer

It is defined as the ratio of rms load voltage and average load voltage of an alternating current. Your answer In electronics it is define as the ratio of the RMS (root mean square) value to the average value (mathematical mean of absolute values of all points on the waveform). Your answer By definition: It is the amount of rms value of ac component to the dc component in the rectifier output. Your answer It is defined as ratio of dc power available at the load to the input ac power. Your answer

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter30: Dc Motors

Section: Chapter Questions

Problem 6RQ: What is CEMF?

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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…
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