1.

Compute `LC` product of a tuned amplifer circuit required to generate a carrier `wave` of `1 MHz` for amplitude modulationA. `1.5xx10^(-14)s`B. `1.2xx10^(-12)s`C. `3.2xx10^(-12)s`D. `2.5xx10^(-14) s`

Answer» Correct Answer - D
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))=2.5xx10^(-14)s`


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