(D) For an amplitude modulated wave,the maximum amplitude $A_{\max} = 10 \ V$ and the minimum amplitude $A_{\min} = 2 \ V$.The modulation index $\mu$

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(D) For an amplitude modulated wave,the maximum amplitude $A_{\max} = 10 \ V$ and the minimum amplitude $A_{\min} = 2 \ V$.The modulation index $\mu$ is defined by the formula:$\mu = \frac{A_{\max} - A_{\min}}{A_{\max} + A_{\min}}$Substituting the given values:$\mu = \frac{10 - 2}{10 + 2} = \frac{8}{12}$Simplifying the fraction:$\mu = \frac{2}{3}$

Class 12 Physics Communication Communication

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For an amplitude modulated wave,the maximum and minimum amplitudes are found to be $10 \ V$ and $2 \ V$ respectively. Then the modulation index is

TS EAMCET 2024 All TS EAMCET

A
$\frac{1}{3}$
B
$\frac{3}{4}$
C
$\frac{1}{5}$
D
$\frac{2}{3}$

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An antenna uses electromagnetic waves of frequency $5 \text{ MHz}$. For proper working,the size of the antenna should be:

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Match Column $A$ (layers in the ionosphere for skywave propagation) with Column $B$ (their height range).
Column $A$ Column $B$
$A$. $D$-layer $I$. $250-400 \ km$
$B$. $E$-layer $II$. $170-190 \ km$
$C$. $F_1$-layer $III$. $95-120 \ km$
$D$. $F_2$-layer $IV$. $65-75 \ km$

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The relationship between the maximum electron density $(N_{max})$ of the ionosphere and the critical frequency $(f_c)$ is given by:

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Match List $I$ with List $II$ :
List $I$ List $II$
$A$. Attenuation $I$. Combination of a receiver and transmitter.
$B$. Transducer $II$. Process of retrieval of information from the carrier wave at receiver.
$C$. Demodulation $III$. Converts one form of energy into another.
$D$. Repeater $IV$. Loss of strength of a signal while propagating through a medium.

Choose the correct answer from the options given below:

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Column $A$	Column $B$
$A$. $D$-layer	$I$. $250-400 \ km$
$B$. $E$-layer	$II$. $170-190 \ km$
$C$. $F_1$-layer	$III$. $95-120 \ km$
$D$. $F_2$-layer	$IV$. $65-75 \ km$

List $I$	List $II$
$A$. Attenuation	$I$. Combination of a receiver and transmitter.
$B$. Transducer	$II$. Process of retrieval of information from the carrier wave at receiver.
$C$. Demodulation	$III$. Converts one form of energy into another.
$D$. Repeater	$IV$. Loss of strength of a signal while propagating through a medium.

For an amplitude modulated wave,the maximum and minimum amplitudes are found to be $10 \ V$ and $2 \ V$ respectively. Then the modulation index is

Similar Questions

An antenna uses electromagnetic waves of frequency $5 \text{ MHz}$. For proper working,the size of the antenna should be:

The process of increasing the strength of a signal using an electronic circuit is called

Match Column $A$ (layers in the ionosphere for skywave propagation) with Column $B$ (their height range).Column $A$Column $B$$A$. $D$-layer$I$. $250-400 \ km$$B$. $E$-layer$II$. $170-190 \ km$$C$. $F_1$-layer$III$. $95-120 \ km$$D$. $F_2$-layer$IV$. $65-75 \ km$

The relationship between the maximum electron density $(N_{max})$ of the ionosphere and the critical frequency $(f_c)$ is given by:

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Match Column $A$ (layers in the ionosphere for skywave propagation) with Column $B$ (their height range).
Column $A$ Column $B$
$A$. $D$-layer $I$. $250-400 \ km$
$B$. $E$-layer $II$. $170-190 \ km$
$C$. $F_1$-layer $III$. $95-120 \ km$
$D$. $F_2$-layer $IV$. $65-75 \ km$