d. Write the equation for the power as a function of time. e. You measure the rms current (with a multimeter) to be 3 A. What is the peak voltage across the resistor? [8.25 V] f. Write the equation for the voltage as a function of time. g. Write the equation for the current as a function of time.
d. Write the equation for the power as a function of time. e. You measure the rms current (with a multimeter) to be 3 A. What is the peak voltage across the resistor? [8.25 V] f. Write the equation for the voltage as a function of time. g. Write the equation for the current as a function of time.
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter2: Fundamentals
Section: Chapter Questions
Problem 2.1MCQ: The rms value of v(t)=Vmaxcos(t+) is given by a. Vmax b. Vmax/2 c. 2Vmax d. 2Vmax
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Help with parts d to the end please
![19. Below is a graph of the power used by a resistor
40
35
30
25
20
15
10
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
time (seconds)
a. What is the peak power used by the resistor?
b. What is the average power used by the resistor?
c. What is the period of the power? (hint – remember this is a sin squared function. The negative part of the
normal sine function is flipped positive. So you have to go over two bumps to get back to the start of the wave.)
d. Write the equation for the power as a function of time.
e. You measure the rms current (with a multimeter) to be 3 A. What is the peak voltage across the resistor?
[8.25 V]
f. Write the equation for the voltage as a function of time.
g. Write the equation for the current as a function of time.
power (watts)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F266e7f29-ba1d-4acb-9482-ffb76dbeef2e%2F6ec5c138-8761-4bfc-89c1-453e35fd06c5%2Ftpth2q_processed.png&w=3840&q=75)
Transcribed Image Text:19. Below is a graph of the power used by a resistor
40
35
30
25
20
15
10
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
time (seconds)
a. What is the peak power used by the resistor?
b. What is the average power used by the resistor?
c. What is the period of the power? (hint – remember this is a sin squared function. The negative part of the
normal sine function is flipped positive. So you have to go over two bumps to get back to the start of the wave.)
d. Write the equation for the power as a function of time.
e. You measure the rms current (with a multimeter) to be 3 A. What is the peak voltage across the resistor?
[8.25 V]
f. Write the equation for the voltage as a function of time.
g. Write the equation for the current as a function of time.
power (watts)
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