The fact that current carrying loops experience a net torque in a magnetic field is the principle behind the electric motor, where the electrical energy involved in establishing a current is converted into the mechanical energy of rotating a shaft.
From 1776 until the present day, July 4th has been celebrated as the birth of American independence, with typical festivities ranging from fireworks, parades and concerts to more casual family gatherings and barbecues. Play video Declaration of Independence. Play video History of the Fourth of July.
How Do People Celebrate Independence Day. United States of America celebrates their independence day on the 4th of July 1776. It is the day when America decided to declare themselves free from Britain. By writing a detailed decree and sending it to the Kings of England, they are now free from the governance of Britain.