Magnetism in medicine , Electromagnet

 

                        Electromagnet

A electromagnet consists of a core of soft iron wrapped with a coil of insulated copper wire

When s current is flowing through a solenoid , a strong magnetic field is produced inside a solenoid which can be used to magnetise a piece  of magnetic material (like soft iron ) when placed inside the coil . the magnet so formed is called as electromagnet.

 

 

Magnetism in medicine:--

 

·     An electric current is always produced a magnetic field.

·     Every weak ion current produces a magnetic field. Every weak ion current that travel along the nerve cells in our body produce a magnetic field.

·     When we touch something , our nerve cells carry an electric impulses to the muscles we need to use.

·     This impulse produce a temporary magnetic field. These magnetic field are very weak and are one-billionth of the earth’s magnetic field.

·     Hearth and brain are the two main organs of the human body to produce the magnetic field which is significant.

·     The magnetic field inside the body forms the basis of obtaining the images of the different body parts. This is done by the help of a technique called Magnetic Resonance Images (MRI).

·     These images help in medical diagnosis.

So in medicines , magnetism play  important role.