ACTIVE & PASSIVE #6

Active

1.Danish Scientist Hans Christian Orsted was discovered in 1820 electric current that create magnetic field

2.Scientist william sturgeon invented the electromagnet in 1824

3. To insulate the winding it from vanish the iron  

4. His first electromagnet was about 18 turns of bare copper wire wrap iron-shaped piece

5.  The iron became magnetized and attracted other pieces of iron, when the coil pass through the current.

Passive

1.An electric current that magnetic an field was discover by danish scientist hans christian orsted in 1820

2.The electromagnet was invent by scientist william in 1824

3. The iron was vanished to insulate it from the windings.

4.His first electromagnet was a-shaped piece of iron that was wrapped with about 18 turns of bare copper wire

5.When a current was passed through the coil, the iron became magnetized and attracted other pieces of iron.

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Note : which is in the under line of the original sentence