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.
We celebrate American Independence Day on the Fourth of July every year. We think of July 4, 1776, as a day that represents the Declaration of Independence and the birth of the United States of America as an independent nation.But July 4, 1776 wasn't the day that the Continental Congress decided to declare independence (they did that on July 2, 1776).It wasnât the day we started the American Revolution either (that had happened back in April 1775).ut July 4, 1776 wasn't the day that the Continental Congress decided to declare independence (they did that on July 2, 1776). It wasnât the day we started the American Revolution either (that had happened back in April 1775).