Class+2+Motors+1

Class 2 Motors 1 leo and bryan History:

== in 1921,michael f. successfully demonstrated in his experiment motor was made of a free hanging wire that was plunged into a pool of mercury .A permanent magnet was placed in the centre of the mercury pool. == == Ten years later,it was joseph Henry who built an improved motor based up on faraday's experimentol motor.He constructed a device whose rotating part was on electromagnet witha horizontal axis.The motion resulted in two vertical permanet magnets,alternately attracted and repelled at end of the electromagnet ==

Advantages and disadvantages:
Some advantages to motors are: Low initial cost long life Low maintenance High efficiency Automated control No fossil fuels Labor cost savings Occupational safety

Some disadvantages are: Portability Demand charges Remote locations Speed control


 * Uses for motors: **
 * Motors have a wide variety of uses, and are commonly found in everyday objects such as cars, clocks, fridges, fans, vacuums, etc.media type="custom" key="22319094" **