3 years ago

In order to reduce the amount of energy lost due to heat flow, electricity is delivered to our homes using _____.

Physics

1 answer:

Sergio [31]3 years ago

3 0

High voltage

See explanation: fbdivdscsbcsbcdbcjejceicbbcuebfiebfiebfiebfiebfebieibfeubfuebfubfb

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Can concave lens be used to make hand lens .why?

mario62 [17]

Answer:

No concave lens cannot be used to make hand lens because in hand Lens we use convex lens so as to converge the rays of the light After refraction and helps to produce a magnified image of an object.

Hope it will help you :)❤

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3 years ago

We know the frequency range of certain sounds are: 400-560 Hz, what are the ranges of wavelength in meters when the signal trans

Ksivusya [100]

Answer:

Range of wavelength will be $5.35\times 10^5m$ to $7.5\times 10^5m$

Explanation:

We have given range of frequency is 400-560 Hz

Speed of the light $c=3\times 10^8m/sec$

We have to find the range of the wavelength of signal transmitted

Ween know that velocity is given by $v=\lambda f$ , here $\lambda$ is wavelength and f is frequency

So for 400 Hz frequency wavelength will be $\lambda =\frac{c}{f}=\frac{3\times 10^8}{400}=7.5\times 10^5m$

And wavelength for frequency 560 Hz $\lambda =\frac{c}{f}=\frac{3\times 10^8}{560}=5.35\times 10^5m$

So range of wavelength will be $5.35\times 10^5m$ to $7.5\times 10^5m$

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3 years ago

If Tom is losing muscle size since he took a break from exercise while he was sick, which exercise principle explains this?

slamgirl [31]

<span>the overload principle hope this helps

</span>

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3 years ago

Ian and Dane are twins. Ian loves art and music and work after school. Dane loves sports and would do anything to avoid having a

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Answer:

Explanation:

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3 years ago

Electricity and magnetism

stellarik [79]

Answer:

Electricity is which is possessed by the flow of electrons.

Magnitism is the process in which the magnet attract the things which consist magnetic substance.

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