BASIC ELECTRONICS AND COMPUTER

1  -	The unit of frequency is	Hertz
2  -	The unit of resistance is	Ohm
3  -	The device which makes or breaks a circuit is	Switch
4  -	The path of an electric current is known as a	Circuit
5  -	Device which opposes the flow of electric current is known as	Resistor
6  -	Arc Lamp was invented by	C.F.Brush
7  -	Television was invented by	J.L.Baird
8  -	Transistor was invented by	J.Bardeen,W.Shockley and W.Brattain
9  -	The unit of wavelength of light is	Angstrom
10 -	A device which converts light into electricity is known as	Photo cell