3 years ago

The main reason for positioning many radio telescopes across a large area and combining the signals is

Physics

1 answer:

Elina [12.6K]3 years ago

6 0

I think is to produce a higher resolution image.

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3 years ago

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An experiment on the earth's magnetic field is being carried out 1.00 m from an electric cable. What is the maximum allowable cu

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Answer:

The allowed current in the cable is 1.15 A.

Explanation:

Given that,

Distance = 1.00 m

Suppose the magnetic field is $2.3\times10^{-5}\ T$ and if the experiment is to be accurate to 1.0 %

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Using formula of magnetic field

$B=\dfrac{\mu_{0}I}{2\pi r}$

$I=\dfrac{B\times2\pi r}{\mu_{0}}$

Put the value into the formula

$I=\dfrac{2.3\times10^{-5}\times2\times\pi\times1.00}{4\pi\times10^{-7}}$

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Then,

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3 years ago