Physics

About Neutron Definition Neutron is an electrically neutral subatomic particle in the baryon family, having a mass of 1.674 × 10-24 grams (1,838 times that…

About Proton Definition Proton is a stable subatomic particle in the baryon family having a mass of 1.672 × 10-24 grams (1,836 times that of…

About Hydrogen Definition Hydrogen is the lightest and most abundant element in the universe, normally consisting of one proton and one electron. It is a…

About Hydrocarbon Definition Hydrocarbon is a class of organic chemical compounds composed only of the elements carbon (C) and hydrogen (H). Hydrocarbons from which one…

Fuel Cell Definition Fuel cell is like a battery in that it generates electricity from an electrochemical reaction. Both batteries and fuel cells convert chemical…

Power Supply Definition Power supply is a source of electricity for a device, which converts, regulates, and transmits the external power for the device. Typically,…

About Amplifier Definition Amplifier is an electronic device that takes a small electric signal and converts it into a large one. Amplifiers are used in…

Voltmeter Definition Voltmeter is an instrument, which used for measuring the potential difference, or voltage, between two points in an electrical or electronic circuit. It…

About Voltage Definition Voltage is the electromotive force or the electrical potential difference between two points in a circuit expressed in volts. It is the…

Oscilloscope Definition Oscilloscope is an electronic instrument, which is used to observe and measure changing electrical signals. The amplitude of the signal as it varies…

Amplitude Definition Amplitude is an ocean wave is the maximum height of the wave crest above the level of calm water, or the maximum depth…

Pendulum Definition Pendulum is a mass hung from a fixed support so that it is able to swing freely under the influence of gravity. Since…