he voltage supplied by a wall socket varies with time, reversing its polarity with a constant frequency, as shown in the graph. A. What is the rms value Vrms of the voltage plotted in the graph?Express your answer in volts. B. When a lamp is connected to a wall plug, the resulting circuit can be represented by a simplified AC circuit, as shown in the figure.(Figure 2) Here the lamp has been replaced by a resistor with an equivalent resistance R = 120 Ω . What is the rms value Irms of the current flowing through the circuit? Express your answer in amperes.
he voltage supplied by a wall socket varies with time, reversing its polarity with a constant frequency, as shown in the graph. A. What is the rms value Vrms of the voltage plotted in the graph?Express your answer in volts. B. When a lamp is connected to a wall plug, the resulting circuit can be represented by a simplified AC circuit, as shown in the figure.(Figure 2) Here the lamp has been replaced by a resistor with an equivalent resistance R = 120 Ω . What is the rms value Irms of the current flowing through the circuit? Express your answer in amperes.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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The voltage supplied by a wall socket varies with time, reversing its polarity with a constant frequency, as shown in the graph.
A. What is the rms value Vrms of the voltage plotted in the graph?Express your answer in volts.
B. When a lamp is connected to a wall plug, the resulting circuit can be represented by a simplified AC circuit, as shown in the figure.(Figure 2) Here the lamp has been replaced by a resistor with an equivalent resistance R = 120 Ω . What is the rms value Irms of the current flowing through the circuit? Express your answer in amperes.
C. What is the average power Pavg dissipated in the resistor?
Express your answer in watts.
Transcribed Image Text:R
Transcribed Image Text:200
100
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