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2. (a) What is the peak value of a sinusoidal alternating current of 4.78 1.m.s. amperes ? (b) What is the r.m.s. value of a rectangular voltage wave with an amplitude of 9.87 V ? (c) What is the average value of a sinusoidal alternating current of 31 A maximum value ? (d) An alternating current has a periodic time of 0.03 second. What is its frequency ? I.1 (e) An alternating current is represented by i = 70.7 sin 520 t. Determine (1) the frequency (ii) the current 0.0015 second after passing through zero, increasing positively. [6.76 A ; 9.87 V ; 19.75 A ; 33.3 Hz ; 82.8 Hz ; 49.7 A]

2. (a) What is the peak value of a sinusoidal alternating current of 4.78 1.m.s. amperes ? (b) What is the r.m.s. value of a rectangular voltage wave with an amplitude of 9.87 V ? (c) What is the average value of a sinusoidal alternating current of 31 A maximum value ? (d) An alternating current has a periodic time of 0.03 second. What is its frequency ? I.1 (e) An alternating current is represented by i = 70.7 sin 520 t. Determine (1) the frequency (ii) the current 0.0015 second after passing through zero, increasing positively. [6.76 A ; 9.87 V ; 19.75 A ; 33.3 Hz ; 82.8 Hz ; 49.7 A]

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
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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2. (a) What is the peak value of a sinusoidal alternating current of 4.78 1.m.s. amperes ? (b) What is the r.m.s. value of a rectangular voltage wave with an amplitude of 9.87 V ? (c) What is the average value of a sinusoidal alternating current of 31 A maximum value ? (d) An alternating current has a periodic time of 0.03 second. What is its frequency ? (e) An alternating current is represented by i = 70.7 sin 520 t. Determine (1) the frequency (iï) the current 0.0015 second after passing through zero, increasing positively. [6.76 A ; 9.87 V ; 19.75 A ; 33.3 Hz ; 82.8 Hz ; 49.7 A]
Transcribed Image Text:2. (a) What is the peak value of a sinusoidal alternating current of 4.78 1.m.s. amperes ? (b) What is the r.m.s. value of a rectangular voltage wave with an amplitude of 9.87 V ? (c) What is the average value of a sinusoidal alternating current of 31 A maximum value ? (d) An alternating current has a periodic time of 0.03 second. What is its frequency ? (e) An alternating current is represented by i = 70.7 sin 520 t. Determine (1) the frequency (iï) the current 0.0015 second after passing through zero, increasing positively. [6.76 A ; 9.87 V ; 19.75 A ; 33.3 Hz ; 82.8 Hz ; 49.7 A]
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