engineering recuitment HPCL Junior Executive 2025 Mock Test Communication Systems Amplitude Modulation Conventional Amplitude Modulation
Calculate the antenna current (in A) having impedance of 20 Ohms if a 60% DSB-SC amplitude modulated wave is transmitted with the help of a 50 W carrier wave.
1
1.03
2
1.28
3
1.69
4
0.67