Why was the Electromagnet important (made by William Sturgeon, during the industrial revolution)

In 1825, Lancastrian electrician, William Sturgeon, revealed his invention of the electromagnet. This enabled electrical energy to be used in the design of controllable machinery.

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“the iliad” (gr: “iliás”) is an epic poem by the ancient greek poet homer, which recounts some of the significant events of the final weeks of the trojan war and the greek siege of the city of troy (which was also known as ilion, ilios or ilium in ancient times).

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b