The voltage at the dynamo remains practically unchanged, and the current varies according to the load. Hawkins Electrical Guide, Number One | Nehemiah Hawkins This adjustment for voltage is made by means of taps brought out from the primary coil to a rotary switch.
Voltage is a representation of the electric potential energy per unit charge. If a unit of electrical charge were placed in a location, the voltage indicates the potential energy of it at that point. In other words, it is a measurement of the energy contained within an electric field, or an electric circuit, at a given point.
voltage definition: Voltage is the rate at which energy, electricity or electromagnetic forces are drawn from a source. (noun) The specific amount of electricity available in a circuit is an example of voltage....
The greater the voltage, the greater the flow of electrical current (that is, the quantity of charge carriers that pass a fixed point per unit of time) through a conducting or semiconducting medium for a given resistance to the flow. Voltage is symbolized by an uppercase italic letter V or E.The standard unit is the volt, symbolized by a non-italic uppercase letter V.
Definition of VOLTAGE: The value of an electromotive force or potential difference expressed in volts, ... The Science Dictionary is the most comprehensive source of science definitions online with over 38K science terms written and created by our global team of scientists and academic professionals. ...
Electricity definition is - a fundamental form of energy observable in positive and negative forms that occurs naturally (as in lightning) or is produced (as in a generator) and that is expressed in terms of the movement and interaction of electrons. How to use electricity in a sentence.
the science concerned with electricity an electric current or charge a motor powered by electricity emotional tension or excitement, esp between or among people
This is the science and engineering definition of current. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant.
Insulators are important because they can protect us from electricity. Materials like rubber, plastic, and paper are good insulators. Voltage - Voltage is the name for the electric force that causes electrons to flow. It's the measure of potential difference between two points in the circuit. Voltage may come from a battery or a power plant.
Electricity. Definitions. The term electricity, as we have learned from studying various parts of physics, is difficult to define with one all-encompassing definition.Scholars and scientists often disagree as to the true meaning of the term. To illustrate the range of definitions that exist, we have included several different ones.