Design A Simple Electric Motor

What is magnetism? When two pieces of iron are attracted to each other by physical means or electrical means.

The current has a positive charge in one side of the coil and it transforms to negative when it gets to the other side of the coil. This charge controls the magnetic field, making the like charges repeal and the opposite charges attract.

Lenz’s Law: “An induced EMF always gives rise to a current that creates a magnetic field that opposes the original change in flux ”1

When the objects rub together electrons can move to the other object. Charging by conduction is the transfer of electrons by direct contact. Charging by induction is the movement of electrons to one part of an object that is caused by the electric field and second object.

In order to study the tendencies of the primary and secondary coils as they transfer energy through inductive coupling, a system that can aptly demonstrate the process is needed.

Since the charge moves in the direction of the field, the field does the work

Using an electric motor, an experiment was performed to test the efficiency of the motor when the mass being lifted was increased in increments of ten grams. As the mass increased by each increment of ten grams, the motor efficiency decreased by an average of 7.439%. Our results were found by using the equation: efficiency=gain in potential differenceelectrical energy used Therefore, this inverse relationship proved mass affects the efficiency of electric motors.

The Railroad and the Pony Express has been the only way to communicate remotely and send correspondence. Joseph Henry and Samuel F.B. Morse would sculpture the future of communication with the invention of the electromagnet and telegraph. Joseph was a graduate of Princeton (Then called the College of New Jersey) as a physicist. The fascination with electricity and magnetism in which he had read reports on from Europe fascinated his desire to research and develop an electromagnet. This shaped our future of electricity as we see it today. With the ability to distinguish between high amperage circuits and high voltage circuits, this laid the baseline for what we know today as “Inductance”. Electrical conductor produces energy by the changing of current or the changing of voltage to produce a strong magnetic force while only using a small battery. By Joseph Henry’s introduction to inductance also paved a path for the invention of electric motors. These advances in technology developed a method for illuminating homes and streets. The use of electricity was spreading almost as fast as the railroad. This improved the lifestyle and functionality of America. (Tindall, Shi

Alternating current (AC): Current flows in one direction, then the opposite direction in the circuit.

The motor, it is used for a wide variety of purposes, it is used in cars, clocks, drills, fans, and electric toothbrushes (“Energy Transfer”). As one can tell, motors play an important part in daily life, people can’t go a day without using a product that uses a motor. Motor’s are normally used to spin a part of the item that the motor is in, but how does the motor spin the part that needs to be spun.

How strong is the magnetic field went the length of the coil on the electromagnet is shorter or longer?

Magnets have intrigued people for a long time; they were discovered long ago. Certain rocks and ores of iron called lodestones were found. These lodestones which were naturally magnetic rocks made of the mineral magnetite, were so mysterious to

Magnets have always been a mystery. The curiosity of how the magnets attract or repel one another has always been a topic that scientists are deeply interested in discovering. Over the years, many scientists have made huge strides in the scientific world as to how magnets work. Magnets that repel one another can cause one of the magnets to levitate over the other.

Electromagnets can turn electrical energy into motion. Likewise the converse is true: they can turn motion into electrical energy.

An electricity and magnetism phenomenon apparently unrelated to power are electrical magnetic fields. We are familiar with these forces through the interaction of compasses with the earth's magnetic field, or through fridge magnets or magnets on children's toys. Magnetic forces are explained in terms very similar to those used for electric forces: