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Bc in the old times there were no phone and social media like now so that’s why it changed a lot the technology

The use of electromagnetic technology has changed now as due to the presence of mobile phones and advanced technology.

How technology has changed?

Inventors have harnessed electromagnetic forces to create electric motors, generators, MRI machines, levitating toys, consumer electronics and a host of other invaluable devices that you rely on in everyday life. Technological applications of electromagnetism include cell phones, MRI scanners, maglev trains, TVs, video and audio tapes, data storage devices, speakers, microphones, and doorbells.

Find more information about Electromagnetism here:

brainly.com/question/26334813