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Solar Cell

The maximum a...

Question

The maximum amplitude of an amplitude modulated wave is $16 V$ , while the minimum amplitude is $4 V$ . The modulation index is:

0.4

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0.5

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0.6

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4

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Solution

The correct option is B $0.6$
$E_{c} + E_{m} = 16$
$E_{c} - E_{m} = 4$
$2 E_{c} = 20$
$E_{c} = 10$
$E_{m} = 6$
$\Rightarrow μ = \frac{E_{m}}{E_{c}} = 0.6$

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