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An angle-modulated signal has the form u(t) = 100 cos [2πfct+4 sin 2πfmt ],where fc =10MHz and fm = 1 kHz. Determine the modulation indexβf or βp and the transmitted signal bandwidth, with BFM = 2(βf +1)fm or BPM = 2(βp +1)fm, (a) If this is an FM signal. (b) If this is a PM signal
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A typical 12-V automobile battery, storing about 5 megajoules (MJ) of energy, is connected to a 4-A headlight system. (a) Find the power delivered to the headlight system. (b
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