Evaluate the following operations in phasors and find the time domain expression i(t) for the current when the frequency is f = 60 Hz. Use MATLAB to plot the signals i(t) a. I = 2260° +3<30° b. I 42120° - 52 - 120° c. I = (6260°) (82 - 120°) d. I = (202120°)/(4< - 90°)

Evaluate the following operations in phasors and find the time domain expression i(t) for the current when the frequency is f = 60 Hz. Use MATLAB to plot the signals i(t) a. I = 2260° +3<30° b. I 42120° - 52 - 120° c. I = (6260°) (82 - 120°) d. I = (202120°)/(4< - 90°)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

2. Evaluate the following operations in phasors and find the time domain expression i(t) for
the current when the frequency is f = 60 Hz. Use MATLAB to plot the signals i(t)
a. I = 2260° + 3/30°
b. I = 4/120° - 52 - 120°
c. I = (6260°) (82 - 120°)
d. I = (20 - 120°)/(4< - 90°)

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Step 1: a. I = 2∠60° + 3∠30°

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Step 2: b. I = 4∠120° - 5∠(-120°)

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Step 3: c. I = (6∠60°)(8∠(-120°))

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Step 4: d. I = (20∠(-120°))/(4∠(-90°))

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