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Given v= 30 cos(wt- 60°) V and i shown, which of the following statements is true? 3 cos(wt +30°) A for the load impedance O The instantaneous power absorbed by the load is always negative. O The instantaneous power absorbed by the load is both positive and negative. O The instantaneous power absorbed by the load is always positive. O The instantancous power absorbed by the load is always zero.

Given v= 30 cos(wt- 60°) V and i shown, which of the following statements is true? 3 cos(wt +30°) A for the load impedance O The instantaneous power absorbed by the load is always negative. O The instantaneous power absorbed by the load is both positive and negative. O The instantaneous power absorbed by the load is always positive. O The instantancous power absorbed by the load is always zero.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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### Problem Statement Given: \[ v = 30 \cos(\omega t - 60^\circ) \, V \] \[ i = 3 \cos(\omega t + 30^\circ) \, A \] For the load impedance shown in the diagram, which of the following statements is true? ### Diagram Explanation - **Diagram**: A rectangular block representing a load is depicted. The current \( i \) flows into the load from the left. - **Voltage**: \( v \) is marked across the load with the left side as negative and the right side as positive. ### Multiple Choice Options - ○ The instantaneous power absorbed by the load is always negative. - ○ The instantaneous power absorbed by the load is both positive and negative. - ○ The instantaneous power absorbed by the load is always positive. - ○ The instantaneous power absorbed by the load is always zero.
Transcribed Image Text:### Problem Statement Given: \[ v = 30 \cos(\omega t - 60^\circ) \, V \] \[ i = 3 \cos(\omega t + 30^\circ) \, A \] For the load impedance shown in the diagram, which of the following statements is true? ### Diagram Explanation - **Diagram**: A rectangular block representing a load is depicted. The current \( i \) flows into the load from the left. - **Voltage**: \( v \) is marked across the load with the left side as negative and the right side as positive. ### Multiple Choice Options - ○ The instantaneous power absorbed by the load is always negative. - ○ The instantaneous power absorbed by the load is both positive and negative. - ○ The instantaneous power absorbed by the load is always positive. - ○ The instantaneous power absorbed by the load is always zero.
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