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77julia77 [94]
3 years ago
6

What is an electromagnet? * 10 points A metal magnet that has electricity running through it. A metal magnet that creates an ele

ctric field. A magnetic field caused by electric current. A magnetic field caused by moving a magnet.
Physics
2 answers:
loris [4]3 years ago
5 0

Answer:

A magnetic field caused by electric current.

Explanation:

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire wound into a coil. A current through the wire creates a magnetic field which is concentrated in the hole, denoting the centre of the coil.

Reference.

Nave, Carl R. (2012). "Electromagnet". Hyperphysics. Dept. of Physics and Astronomy, Georgia State Univ. Archived from the original on September 22, 2014. Retrieved September 17, 2014.

natima [27]3 years ago
3 0

Answer:

A magnetic field caused by electric current

Explanation:

An electromagnetic is a magnetic field cause by electric current. It is a magnet which has the joint interaction of electric and magnetic forces.

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Given that the velocity of blood pumping through the aorta is about 30 cm/s, what is the total current of the blood passing thro
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Answer:

94.248 g/sec

Explanation:

For solving the total current of the blood passing first we have to solve the cross sectional area which is given below:

A_1 = \pi R^2\\\\A_1 = \pi (1)^2\\\\A_1 = 3.1416 cm^2

And, the velocity of blood pumping is 30 cm^2

Now apply the following formula to solve the total current

Q = \rho A_1V_1\\\\Q = (1)(3.1416)(30)\\\\

Q =  94.248 g/sec

Basically we applied the above formula So, that the total current could come

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