Answered: Please choose the correct answer. 10.…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Please choose the correct answer. 10. When a diac is used in the trigger-control circuit of a triac: a. The RC charging circuit must have a shorter time-constant than for a low-voltage trigger situation, because less capacitor-charging is required. b. The RC charging circuit must have a longer time-constant than for a low-voltage trigger situation, because less capacitor-charging is required. c. The RC charging circuit must have a shorter time-constant than for a low-voltage trigger situation, because more capacitor-charging is required. d. The RC charging circuit must have a longer time-constant than for a low-voltage trigger situation, because more capacitor-charging is required. 11. Compared to the amount of average power that the entire ac line waveform would deliver to a given load, how much power would an SCR control circuit that is triggered at 0o (conducting angle = 180o) deliver? a. Half as much b. One fourth as much c. One eight as much d. Less than one eight as much 12. In the forward-blocking region, the SCR is a. reverse-biased b. in the “on” state c. in the “off” state d. at the point of breakdown

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