1.

The LC product of a tuned amplifier circuit require to generate a carrier wave of 1 MHz for amplitude modulation is

Answer»

`1.5xx10^(-14)s`
`1.2xx10^(-12)s`
`3.2xx10^(-12)s`
`2.5xx10^(-14)s`

Solution :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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