An impedance draws a current i(t) = 10sin (wt-30°) ampere from a voltage v(t) = 220cos(wt-65°) volts. Determine: a. The current in polar form (peak) b. The voltage in polar form (peak) c. The current in polar form (RMS) d. The voltage in polar form (RMS) e. The impedance

An impedance draws a current i(t) = 10sin (wt-30°) ampere from a voltage v(t) = 220cos(wt-65°) volts. Determine: a. The current in polar form (peak) b. The voltage in polar form (peak) c. The current in polar form (RMS) d. The voltage in polar form (RMS) e. The impedance

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 2.3P: The instantaneous voltage across a circuit element is v(t)=400sin(t+30)volts, and the instantaneous...

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Question

The answers are already given, how were they solved?

An impedance draws a current i(t) = 10sin (wt-30°) ampere from a voltage v(t) = 220cos(wt-65°) volts. Determine:
a. The current in polar form (peak)
b. The voltage in polar form (peak)
c. The current in polar form (RMS)
d. The voltage in polar form (RMS)
e. The impedance

Answers:
a.
b.
c.
d.
i= 10 cis-30° A
v= 220 cis 25° V
I=7.0711 cis-30° A
V = 155.5635cis25° V
Z = 22 cis55°

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