Q. The ratio between the modulating signal voltage and the carrier voltage is called?

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Q. What is the percentage of modulation if the modulating signal is of 7.5V and carrier is of 9V?

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Q. When does over-modulation occur?

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Q. What is the condition for greatest output power at the transmitter without distortion?

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Q. What is the modulation index value if Vmax=5.9v and Vmin=1.2v?

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Q. Which of the following modulating signal voltage would cause over-modulation on a carrier voltage of 10v?

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Q. What is the modulating signal voltage if the maximum and the minimum voltages on the wave was observed to be 5.9v and 1.2v respectively?

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Q. What is the wave of frequency that occurs at the sum and difference of the carrier and modulating signal is called?

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Q. What type of display will give us clear information on the signal if it is made up of different frequencies?

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Q. What is the upper sideband frequency if the carrier frequency and the modulating signal frequency is 30 KHz and 80 Hz respectively?

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Q. What is the maximum carrier frequency to be used if the upper limit frequency that is available is 4000 Hz and the frequency of the modulating signal is 100 Hz?

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Q. What is the instrument that is used to represent the frequency domain of the signal?

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Q. What is the bandwidth of the signal if the upper sideband frequency and the lower sideband frequency are 7350 KHz and 7210 KHz respectively?

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Q. What is the bandwidth of the signal if the highest frequency in the modulating signal is 3 KHz?

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Q. If an AM signal is transmitted at a frequency of 990 KHz and the and is allowed to transmit modulating frequencies up to 5 Khz, What is the maximum upper sideband that is produced?

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Q. Square waves are made up of numerous Fundamental sin waves.

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Q. Where is ASK used?

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Q. Which of the following is an example of CW transmission?

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Q. What is harmonic sideband interference known as?

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Q. What is the total power if the carrier power is 30 W and the percentage of modulation is 85%?

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