2 years ago

What is an electromagnet

Physics

1 answer:

Svetllana [295]2 years ago

5 0

Answer:

a soft metal core made into a magnet by the passage of electric current through a coil surrounding it.

Explanation:

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3 years ago

An archer shoots an arrow 75 m distant target; the bull's-eye of the target is at the same height as the release height of the a

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$16.25^{\circ}$

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g = Acceleration due to gravity = $9.81\ \text{m/s}^2$

Horizontal range is given by

$R=\dfrac{v^2\sin2\theta}{g}\\\Rightarrow \theta=\dfrac{\sin^{-1}\dfrac{Rg}{v^2}}{2}\\\Rightarrow \theta=\dfrac{\sin^{-1}\dfrac{75\times 9.81}{37^2}}{2}\\\Rightarrow \theta=16.25^{\circ}$

The angle at which the arrow is to be released is $16.25^{\circ}$ .

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2 years ago

If a charge at 60c flow in a conductor for 30 second then the current that flow in a conductor is

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Explanation:

<h3>Given</h3>

- Charge = 60c

time = 30 sec

current

<h3>Solution </h3>

Current = Charge/time

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I = 2 ampere

More to know -

I = Current

V = Charge

T = Time

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2 years ago

What is an electromagnet ​

What is an electromagnet