The AC voltage is given by a phasor 3.4 L 57 (where 3.4 is the amplitude and 57 is the phase angle in degrees). The angular frequency omega = 100 1/s. What is the actual time dependence of this voltage (provide the phase angle in degrees)? To answer, fill the blanks: v(t) =____*cos (____*t +____);

The AC voltage is given by a phasor 3.4 L 57 (where 3.4 is the amplitude and 57 is the phase angle in degrees). The angular frequency omega = 100 1/s. What is the actual time dependence of this voltage (provide the phase angle in degrees)? To answer, fill the blanks: v(t) =cos (t +);

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter25: Television, Telephone, And Low-voltage Signal Systems

Section25.1: Television Circuit

Problem 7R

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Concept explainers

Antenna Characteristics

The antenna is an important concept in the domain of electronics and communication engineering. An antenna forms an integral part of many commonly used devices such as wireless modems, routers, game controllers, mobile phones, bluetooth devices, and so on. In simple terms, any wireless communication makes use of antennas to serve the purpose. An antenna, also known by the term 'arial', is an electrical device that converts electrical signals into electromagnetic waves or electromagnetic waves into electrical signals. An antenna contains a transmission line usually made up of co-axial cable, it then receives the signals and converts them into electromagnetic waves, which are then transmitted via space into their required destination. A communication system essentially makes use of two antennas, a transmission antenna, which converts electrical signals into electromagnetic waves, and a receiving antenna, which receives the electromagnetic waves and converts them back into electrical signals.

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