Question

The power of the transmitter with a radiation resistance of 12 ohm and an antenna current of 3.5A is (a) 147 (b) 741 (c) 174 (d) 471 I have been asked this question in homework. This interesting question is from Input and Characteristic Impedances in chapter Transmission Lines of Electromagnetic Theory Select the correct answer from above options Electromagnetic Theory questions and answers, Electromagnetic Theory questions pdf, Electromagnetic Theory question bank, Electromagnetic Theory questions and answers pdf, mcq on Electromagnetic Theory pdf,electromagnetic theory book pdf,electromagnetic theory pdf notes,electromagnetic theory lecture notes,electromagnetic theory of light,maxwell electromagnetic theory,electromagnetic theory proposed by,electromagnetic theory engineering physics,electromagnetic theory nptel

Answer 1

Correct choice is (a) 147 The explanation is: The power in a transmitter is given by Prad = Iant^2 Rrad. On substituting Irad = 3.5 and Rrad =12, we get Prad = 3.5^2 x 12 = 147 units.