SCANNING is the principle on which TV (Television) works. Electron Gun in side Television fires electron beams from top to bottom onto the Phosphor coated screen to produce images many times in a second (generally 25 or 30 images per second) such that they appear moving to the eyes.
Hovannes Adamian invented the tricolor principle of the color television.
transformer works induction principle
transformer works induction principle
Bernoullis principle
buhaha
archimedes' principle
motor works on the principle of mutual induction.
insurance works on the principle of indemnity, law of large numbers, principles of utmost faith etc.
Manipulation of the radio magnetic spectrum.
it works on the electromagnetic principle the conductor cuts the magnetic field which produces induces emf for the flow of current
the principle on which an electromagnetic crane works is electromagnetic induction
it works on the principle of refraction