7 उत्तर
7 उत्तर
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Electric current is the flow of electric charge through a conductor, such as a wire. It is a fundamental concept in electrical and electronic engineering and plays a crucial role in the operation of electrical circuits and devices.
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current is the meaning of what's now that means at present1Modal content
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current is defined as flow of electrons through a wire or conductor0Modal content
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flow of electrons0Modal content
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Current is a flow of electrical charge carriers, usually electrons or electron-deficient atoms. Electric current can be either direct or alternating. Direct current (DC) flows in the same direction at all points in time, although the instantaneous magnitude of the current might vary0Modal content
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flow of electrons0Modal content
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Current is a flow of electrical charge carriers, usually electrons or electron-deficient atoms. The common symbol for current is the uppercase letter I.The standard unit is the ampere, symbolized by A. One ampere of current represents one coulomb of electrical charge (6.24 x 10^18 charge carriers) moving past a specific point in one second. Physicists consider current to flow from relatively positive points to relatively negative points; this is called conventional current or Franklin current. Electrons, the most common charge carriers, are negatively charged. They flow from relatively negative points to relatively positive points.
Electric current can be either direct or alternating. Direct current (DC) flows in the same direction at all points in time, although the instantaneous magnitude of the current might vary. In an alternating current (AC), the flow of charge carriers reverses direction periodically. The number of complete AC cycles per second is the frequency, which is measured in hertz. An example of pure DC is the current produced by an electrochemical cell. The output of a power-supply rectifier, prior to filtering, is an example of pulsating DC. The output of common utility outlets is AC.0Modal content
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