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Electrical Definitions |
Octal Number System : The octal number system is composed of eight digits which are 0,1,2,3,4,5,6 and 7. |
Operational Amplifier: An amplifier with an assumed infinite gain, infinite input impedence and zero output impedence. |
Optical Fibre: An optical fibre is composed of cylindrical core of refractive index and a concentric cladding of refrective index. |
Optophone : An instrument for enabling the blind to read ordinary print by means of a telephony receiver controlled by the variations in resistance of a Selenium Cell. |
Oscillator : An oscillator is the equipment which supplies ac voltage the frequency of the ac signal supplied by the instrument can be varied. |
Oscilloscope : An instrument using a cathode ray tube to display a signal's variation with time. |
Owen Bridge : A four arm bridge used for the measurement of inductance in terms of known resistance and capacitance. |