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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Compute the LC product of a tuned amplifier circuit required to generate a carrier wave of 1 MHz for amplitude modulation.

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प्रश्न

Compute the LC product of a tuned amplifier circuit required to generate a carrier wave of 1 MHz for amplitude modulation.

टीपा लिहा
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उत्तर

Frequency of tuned amplifier is `v = 1/(2pisqrt(LC))`

As per question, `v = 1 MHz = 10^6 Hz`

or `10^6 = 1/(2pisqrt(LC))`

or LC = `1/(4pi^2 (10^6)^2` = 2.5 × 10–14s

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पाठ 15: Communication Systems - Exercise [पृष्ठ १०२]

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एनसीईआरटी एक्झांप्लर Physics Exemplar [English] Class 12
पाठ 15 Communication Systems
Exercise | Q 15.19 | पृष्ठ १०२

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संबंधित प्रश्‍न

Explain any two factors that justify the need of modulating a low-frequency signal.


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(ii) What is the modulation index?


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Define the term 'amplitude modulation'


What is meant by term ‘modulation’? Draw a block diagram of a simple modulator for obtaining an AM signal.


Solve the following question.
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