57. The output of a transmitter is 100 kW with carrier unmodulated and 132 kW when carrier is modulated by a sinusoidal wave; then depth of modulation is percent.
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58. If a 240-W carrier is simulataneously modulated by two sine waves with modulation indices of 0.3 and 0.4, its total modulation index is
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59. In an amplitude-modulated wave-form, the amplitude of side bands is
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60. In the spectrum of an FM wave
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61. When a signal with modulation index of m is passed through a frequency doubler, the output wave from the doubler will have a modulation index of
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62. Modulated carrier power in FM
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63. For a PM signal, the modulating index depends upon
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