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  4. The antenna current of an AM broadcast transmitter which is modulated by 50 % is 11 A . The carrier current is

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Q. The antenna current of an AM broadcast transmitter which is modulated by $50\%$ is $11 A$ . The carrier current is

NTA AbhyasNTA Abhyas 2020Semiconductor Electronics: Materials Devices and Simple Circuits

Solution:

$I_{T}=I_{C}\sqrt{1 + \frac{m^{2}}{2}}$
$I_{C}=\frac{11}{\sqrt{1 + \frac{\left(0 .5\right)^{2}}{2}}}=10.3 \, A$