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lorasvet [3.4K]
3 years ago
15

someone made a copy of an analog wave in a digital wave compare the copies with the original waves and explain which type of wav

es more reliable way to encode code to transmit information

Physics
2 answers:
lilavasa [31]3 years ago
6 0

Answer: Analog transfer information quicker, example electromagnetic waves which are used in our modern day phones.

Explanation:  Digital signals are a more reliable form of transmitting information because an error in the amplitude or frequency value would have to be very large in order to cause a jump to a different value. Signals are composed of infinite possible values. Signals are composed of only two possible values: 0 or 1.

ella [17]3 years ago
4 0

Answer:

<em>Digital waves are more reliable due to the fact that most modern-day tech, such as phones and computers use digital codes such as numbers and graphs, in that case using digital code would be a lot easier to use.</em>

<em />

Hope this is helped :)

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17 copper wires of length l and diameter d are connected in parallel to form a single composite conductor of resistance R. What
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Answer:

\frac{D}{d} = 4.12

Explanation:

As we know that resistance of one copper wire is given as

r = \rho \frac{L}{a}

here we know that

a = \pi (\frac{d}{2})^2

now we have

r = \rho \frac{L}{\pi (\frac{d^2}{4})}

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now we know that such 17 resistors are connected in parallel so we have

R = \frac{r}{17}

R = \rho \frac{4L}{17 \pi d^2}

Now if a single copper wire has same resistance then its diameter is D and it is given as

R = \rho \frac{4L}{\pi D^2}

now from above two equations we have

\rho \frac{4L}{\pi D^2} = \rho \frac{4L}{17 \pi d^2}

D^2 = 17 d^2

now we have

\frac{D}{d} = 4.12

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Its at the very top of the little element box

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3 years ago
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