Ohm's Law for alternating current circuits is V = IR, where V is the voltage in volts, I is the current in amperes, and R is the impedance in ohms. Each variable is a complex number. 1) Write V in trigonometric form when

Ohm's Law for alternating current circuits is V = IR, where V is the voltage in volts, I is the current in amperes, and R is the impedance in ohms. Each variable is a complex number. 1) Write V in trigonometric form when

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 84CP: In this chapter, most examples and problems involved direct current (DC). DC circuits have the...

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Question

Ohm’s Law for alternating current circuits is V = IR, where V is the voltage in volts, I is the current in amperes, and R is the impedance in ohms. Each variable is a complex number.

R
Basic Electrical Circuit
V
I
R
Georg Simon Ohm
Ohm's Law
Ohm's Law for alternating current circuits is V = IR, where V is the voltage in
volts, I is the current in amperes, and R is the impedance in ohms. Each variable
is a complex number.
1) Write V in trigonometric form when
| = 6(cos 41° + i sin 41°) amperes, and
R = 4(cos – 11° +i sin – 11°) ohms.
2) Write the voltage from 1) in standard form.
3) A voltmeter measures the magnitude of the voltage in a circuit. What would be
the reading on a voltmeter for the circuit described in part 1)?

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