Transistor
A Semiconductor Device Used To Amplify Or Switch Current In Circuits.

Diode
A Semiconductor Device That Allows Current To Flow In Only One Direction.

Semiconductor
A Material With Electrical Conductivity Between That Of A Conductor And Insulator, Used In Electronics.

Electric Motor
A Device That Converts Electrical Energy Into Mechanical Energy Using Magnetic Forces.

Electric Generator
A Device That Converts Mechanical Energy Into Electrical Energy Using Electromagnetic Induction.

Fiber Optic Cable
A Cable That Uses Total Internal Reflection To Transmit Light Signals.

Total Internal Reflection
A Phenomenon In Which Light Reflects Completely Within A Medium When Exceeding A Critical Angle.

Index Of Refraction
A Measure Of How Much A Material Slows Down Light, Affecting Refraction.

Virtual Image
An Image Formed When Light Rays Appear To Diverge From A Point, Often Produced By A Diverging Lens.

Real Image
An Image Formed When Light Rays Converge, Often Produced By A Converging Lens.