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.
Independence Day in the United States. Independence Day is annually celebrated on July 4 and is often known as the Fourth of July. It is the anniversary of the publication of the declaration of independence from Great Britain in 1776. Patriotic displays and family events are organized throughout the United States.
Independence Day 2017. Independence Day is a federal holiday in the US. In the United States, Independence Day, or more commonly known as the Fourth of July, is a federal holiday to commemorate the adoption of the Declaration of Independence on 4 July 1776, declaring independence from the Kingdom of Great Britain.