Alternating Current
Dc Motor
Guitar Pickup
Pixii Machine
The Barkhausen Effect
100

Who created the AC Motor?

Nikola Tesla 

100

Who created the Dc Motor?

William Sturgeon 

100

When was the Guitar Pickup Created?

1831

100

When was the Pixii Machine Created? 

1832

100

When was the Barkhausen effect created? 

1919

200

When was the AC Motor created? 

1883

200

When was the DC Motor created? 

1832

200

Who created the Guitar Pick?

Micheal Faraday

200

Who created the Pixii Machine? 

Hippolyte Pixii

200

Who created the Barkhausen effect?

A German scientist named Heinrich Barkhausen

300

True or False. Can the AC current travel farther distances without losing electricity? 

True

300

What is 3 ways the DC motor is still used today? 

Conveyer belts, printed presses and fans. 

300

What current was made when a copper wire is wrapped around a magnet?

Electrical Current

300

What does the Pixii Machine do? 

Turns motion into electricity. 

300

What is the Barkhausen effect? 

The noise in the magnetic output of a ferromagnet when the magnetizing force applied to it is changed. 

400

What disorder did the creator (Nikola Tesla) have?

Obsessive- Compulsive Disorder (OCD) 

400

How long can the Dc Motor run?

several hours

400

Is the guitar pick up still used today? If so, what is it used for?

Yes, it is used in electric guitars and almost every electron string instrument. 

400

Who discovered that changes in a magnetic field could induce an electromotive force?

Micheal Faraday 

400

Name 3 components in the effect

Iron Core, Wire Coil, Amp-lifer, Magnet, Speaker

500

Where do the electrons move when alternation current occurs? 

Backwards and Forwards 

500

Where did William Sturgeon invent the Dc Motor?

Adelaide Gallery of Practical Science in London

500

How long is one of the bobbins in a guitar pickup?

3937 feet long

500

The Pixii machine is still used today? True or False 

False

500

What did this invention lead to?

Other discoveries within ferromagnetism. 

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