Q. What is the upper frequency of a signal with a bandwidth of 6 Mhz, if the lower frequency limit is 54 Mhz?

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Q. Higher frequencies can have more channels for a particular bandwidth.

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Q. Which organization regulates international EM spectrum division?

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Q. What is the component in which the output voltage is higher than the input voltage?

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Q. What is the gain of the signal if output and input voltages are 700 V and 50 mV respectively?

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Q. What is the output signal voltage for a gain of 20 and input voltage of 20 mV?

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Q. The power output of an amplifier is 7 watts. The power gain is 80. What is the input power?

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Q. What is the total gain of amplifiers with a power gain of 6, 8, 5 when connected in series?

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Q. A two-stage amplifier has an input power of 30 μW and an output power of 1.5 mW. One stage has a gain of 3. What is the gain of the second stage?

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Q. What should be the gain of an amplifier to have no voltage loss or gain?

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Q. What should be the gain of an amplifier to have zero voltage loss if the signal is already attenuated half that of the original signal?

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Q. What is the value of the total gain if A represent attenuation and G represent gain and all are cascaded?

A₁=0.5 G₁=5

A₂=0.035 G₂=20

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Q. The unit decibel is a way of expressing the hearing response of the human ear.

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Q. What is the gain in decibels if the amplifier has an input of 3 mV and output of 5 V?

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Q. When a decibel value is computed by comparing a power value to 1 mW it is called as?

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Q. What is reactance?

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Q. What happens to the current when it passes through a capacitor?

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Q. What happens to the voltage when it passes through an inductor/coil?

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Q. A capacitor used in an ac circuit continually charges and discharges.

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Q. What happens to capacitative reactance when operating frequency is increased?

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