In an alternating circuit, the impressed voltage is given by V = (50 - j20) volts and the current in the circuit is I = (1 + j3) A. Determine the true power in the circuit. O 130 VA O 110 W O 110 VA O 130 W

In an alternating circuit, the impressed voltage is given by V = (50 - j20) volts and the current in the circuit is I = (1 + j3) A. Determine the true power in the circuit. O 130 VA O 110 W O 110 VA O 130 W

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Electric Heating Unit

An electric heating unit, or an electric unit heater, is designed to warm up spaces and is available in various types suitable for a range of applications. The method of transforming electrical energy to heat energy is called electric heating. An electric heater converts electric currents to heat using an electrical resistor (heating element).

Question

In an alternating circuit, the impressed voltage is given by V = (50 – j20) volts and the current in the circuit is I = (1 + j3) A.
Determine the true power in the circuit.
130 VA
110 W
O 110 VA
O 130 W

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