BA series-connected load draws a current i(t) = 4 cos(315t + 10°) A when the applied voltage is v(t) = 120 cos(315t - 20°) V. Compute the apparent power and the power factor of the load. Determine the element values that form the series- connected load.

BA series-connected load draws a current i(t) = 4 cos(315t + 10°) A when the applied voltage is v(t) = 120 cos(315t - 20°) V. Compute the apparent power and the power factor of the load. Determine the element values that form the series- connected load.

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 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...

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Concept explainers

Photoelectric

The photoelectric effect occurs when light (or similar incident radiation, including X-rays) falls on material together with a metal plate and causes it to emit electrons. The discovery of the photoelectric effect led to important new theories (and to a Nobel Prize for Albert Einstein). Photoelectric cells, or photocells, are utilized in burglar-alarm light detectors and garage-door openers (each employs a through-beam of light this is broken when something movements throughout it), and also to play soundtracks on film movies (in which a light beam shines through the soundtrack encoded at the film and is "read" with the aid of the photocells).

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**Problem Statement:**

A series-connected load draws a current \(i(t) = 4 \cos(315t + 10^\circ)\) A when the applied voltage is \(v(t) = 120 \cos(315t - 20^\circ)\) V. Compute the apparent power and the power factor of the load. Determine the element values that form the series-connected load.

**Tasks:**

1. Compute the apparent power.
2. Compute the power factor of the load.
3. Determine the element values that form the series-connected load.

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