dc circuit definition
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Construction eTool Dc Circuits. A circuit is a closed loop through which electrons can flow. A direct current (DC) circuit is a type of circuit with direct current (as opposed to alternating current) flowing through it. That is, in a DC circuit, the current flows in one direction.
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DC bias DC bias. When describing a periodic function in the time domain, the DC bias, DC component, DC offset, or DC coefficient is the mean value of the waveform. If the mean amplitude is zero, there is no DC offset. A waveform without a DC component is known as a DC-balanced or DC-free waveform.
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Direct Current Circuit A Direct Current circuit is a circuit that Electric Current flows through in one direction. DC is commonly found in many low-voltage applications, especially where these are powered by Battery. Most electronic circuits require a DC power supply. A Direct Electric Current flows only when the Electric Circuit is closed, but it stops completely when the circuit is open. A Switch is a device for making or breaking an Electric Circuit. While the Switch is closed, Figure 1(a), the circuit is closed and the Light Bulb turns On; while the Switch is opened, Figure 1(b), the circuit is open and the Light Bulb turns Off.
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- circuit current for d.c. systems. Classic methods for limiting short-circuit current are described as well as solid state devices used directly on current path and by-pass solutions. Thyristor and resonant circuit breaker version proposed by authors relieves current flow for every step during operation. Matlab simulation for these steps is useful for
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open circuit The definition of an open circuit is  a broken path for an electrical current due to an open switch or frayed wire. An example of an open circuit is a string of electric lights that don’t work if one bulb goes out.
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â¢ Series Circuit. One type of circuit is called a series circuit. A series circuit is when the electrical current has only one path in which it can travel. If there is a break in the path, nothing in the series will work. In addition, each time a device is added to the series, the amount of power becomes less to each device.
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electrical circuit electric circuit - an electrical device that provides a path for electrical current to flow. circuit, electrical circuit. bridge circuit, bridge - a circuit consisting of two branches (4 arms arranged in a diamond configuration) across which a meter is connected. bridged-T - a circuit consisting of a T-network with an additional shunt bridging the two series circuits.
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MCB Miniature Circuit Breakers Use Construction Principle A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. Its basic function is to detect a fault condition and interrupt current flow.
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short-circuit short circuit. n. 1. (Electronics) a faulty or accidental connection between two points of different potential in an electric circuit, bypassing the load and establishing a path of low resistance through which an excessive current can flow.
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What Does AC and DC Mean in Electricity? Quick Answer. When talking about electrical current, AC stands for alternating current and DC stands for direct current.. Alternating current is the type of current that comes from a power plant and outlet, in which the current changes directions rapidly. Direct current is the type of current that comes from a battery, where the current is always flowing in the same direction.
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Electrical circuit A simple electrical circuit. This circuit has a power source, a complete path for electrons to flow, and a resistor as the load. An electric circuit is a path in which electrons from a voltage or current source flow. The point where those electrons enter an electrical circuit is called the source of electrons.
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Residual-current device A residual-current device (RCD), or residual-current circuit breaker (RCCB), is a device to quickly disconnect current to prevent serious harm from an ongoing electric shock. Injury may still occur in some cases, for example if a person falls after receiving a shock.n earth leakage circuit breaker (ELCB) may be a residual-current device, although an older type of voltage-operated earth leakage circuit breaker also exists.
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Circuit diagram The circuit diagram for a four-bit TTL counter, a type of state machine A circuit diagram (electrical diagram, elementary diagram, electronic schematic) is a graphical representation of an electrical circuit.
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closed circuit closed circuit. 1. An electric circuit through which current can flow in an uninterrupted path. 2. A television system in which the signal is usually sent by cable to a limited number of receivers.
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What Does AC and DC Mean in Electricity? Quick Answer. When talking about electrical current, AC stands for alternating current and DC stands for direct current.. Alternating current is the type of current that comes from a power plant and outlet, in which the current changes directions rapidly.
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short circuit short circuit. A path that allows most of the current in an electric circuit to flow around or away from the principal elements or devices in the circuit. Short circuits can cause too much current to flow through one part of the circuit, often causing the circuit to break.
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Electrical circuit This circuit has a power source, a complete path for electrons to flow, and a resistor as the load. An electric circuit is a path in which electrons from a voltage or current source flow.Electric current flows in a closed path called an electric circuit. The point where those electrons enter an electrical circuit is called the source of electrons.The point where the electrons leave an electrical circuit is called the return or earth ground.he part of an electrical circuit that is between the electrons' starting point and the point where they return to the source is called an electrical circuit's load.
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- AC vs. DC Circuits The TPC Tutorial focuses on what is called DC (direct current) circuits. Learn about AC (alternating current) and its use in household circuits. Flickr Physics Visit The Physics Classroom's Flickr Galleries and enjoy a photo overview of the topic of electric circuits. current of 1 ampere means that there is 1 coulomb of charge passing through a cross section of a wire every 1 second. To test your understanding, determine the current for the following two situations. Note that some extraneous information is given in each situation.
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AS OCR Physics A G482: Electric current, Resistance and D.C. circuits A circuit consisting of a variable number of batteries or a variable resistor, the component (resistor, filament lamp or LED), an ammeter in series and a voltmeter is in parallel over the wire. The voltage is changed by changing the number of batteries or changing the the resistance of the variable resistor.
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- An electrical circuit is a device that uses electricity to perform a task, such as run a vacuum or power a lamp. The circuit is a closed loop formed by a power source, wires, a fuse, a load, and a switch.
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AC, DC and Electrical Signals Also See: Diodes | Power Supplies. AC means Alternating Current and DC means Direct Current. AC and DC are also used when referring to voltages and electrical signals which are not currents! For example: a 12V AC power supply has an alternating voltage (which will make an alternating current flow).
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Electric motor DC machines are defined as follows: 1  Armature circuit - A winding where the load current is carried, such that can be either stationary or rotating part of motor or generator. 2  Field circuit - A set of windings that produces a magnetic field so that the electromagnetic induction can take place in electric machines.
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circuit breaker circuit breaker. n. 1. An automatic switch that stops the flow of electric current in a suddenly overloaded or otherwise abnormally stressed electric circuit. 2. An automatic halt or suspension in the trading on a stock exchange that takes effect in response to a specified amount of loss.
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Circuit Breaker A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit.Its basic function is to detect a fault condition and interrupt current flow.he circuit breaker must detect a fault condition; in low voltage circuit breakers this is usually done within the breaker enclosure. Circuit breakers for large currents or high voltages are usually arranged with protective relay pilot devices to sense a fault condition and to operate the trip opening mechanism.
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- The power in a DC circuit or system. Its unit is the watt. It is equal to the potential difference, expressed in volts, multiplied by the current, expressed in amperes. The power available from a DC power supply. synonym direct-current power.