The antenna current of an AM transmitter is 8 A, when only the carrier is sent, but it increases to 8.93 A when the carrier is modulated by a single sine wave. Determine the antenna current when the percent of modulation changes to 0.8
Electronics and Communication Engineering
Exam Questions Papers
Choose an option
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A9.19 A
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B9.91 A
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C10.56 A
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D8.61 A
Answer
Correct Answer: 9.19 A
Explanation
Ic = 8 A
m = 0.8
= 8 x 1.149 = 9.19 A.