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Short circuit

Index Short circuit

A short circuit (sometimes abbreviated to short or s/c) is an electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance. [1]

47 relations: Acid, Annealing by short circuit, Base (chemistry), Breaking capacity, Building code, Circuit breaker, Conditional short-circuit current, Crowbar (circuit), Electric arc, Electric battery, Electric current, Electric motor, Electrical conductor, Electrical impedance, Electrical network, Electrical resistance and conductance, Electrolyte, Electronics, Energy, Explosion, Fire, Fuse (electrical), Gain (electronics), Ground and neutral, Home appliance, Hydrogen, Input impedance, Insulator (electricity), Joule heating, Leakage inductance, Mains electricity, Network analysis (electrical circuits), Ohm's law, Open-circuit voltage, Operational amplifier, Overheating (electricity), Plasma (physics), Polyphase system, Power (physics), Power supply, Prospective short-circuit current, Pump, Thévenin's theorem, Virtual ground, Voltage, Wire, Wire gauge.


An acid is a molecule or ion capable of donating a hydron (proton or hydrogen ion H+), or, alternatively, capable of forming a covalent bond with an electron pair (a Lewis acid).

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Annealing by short circuit

Annealing by short circuit is a method of efficiently annealing copper wire which employs a controlled electrical short circuit.

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Base (chemistry)

In chemistry, bases are substances that, in aqueous solution, release hydroxide (OH−) ions, are slippery to the touch, can taste bitter if an alkali, change the color of indicators (e.g., turn red litmus paper blue), react with acids to form salts, promote certain chemical reactions (base catalysis), accept protons from any proton donor, and/or contain completely or partially displaceable OH− ions.

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Breaking capacity

Breaking capacity or interrupting rating is the current that a fuse, circuit breaker, or other electrical apparatus is able to interrupt without being destroyed or causing an electric arc with unacceptable duration.

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Building code

A building code (also building control or building regulations) is a set of rules that specify the standards for constructed objects such as buildings and nonbuilding structures.

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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 excess current from an overload or short circuit.

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Conditional short-circuit current

Conditional short-circuit current is defined as the value of the alternating current (a.c) component of a prospective current, which a switch without integral short-circuit protection, but protected by a suitable short circuit protective device (SCPD) in series, can withstand for the operating time of the current under specified test conditions.

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Crowbar (circuit)

A crowbar circuit is an electrical circuit used to prevent an overvoltage condition of a power supply unit from damaging the circuits attached to the power supply.

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Electric arc

An electric arc, or arc discharge, is an electrical breakdown of a gas that produces an ongoing electrical discharge.

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Electric battery

An electric battery is a device consisting of one or more electrochemical cells with external connections provided to power electrical devices such as flashlights, smartphones, and electric cars.

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Electric current

An electric current is a flow of electric charge.

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Electric motor

An electric motor is an electrical machine that converts electrical energy into mechanical energy.

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Electrical conductor

In physics and electrical engineering, a conductor is an object or type of material that allows the flow of an electrical current in one or more directions.

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Electrical impedance

Electrical impedance is the measure of the opposition that a circuit presents to a current when a voltage is applied.

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Electrical network

An electrical network is an interconnection of electrical components (e.g. batteries, resistors, inductors, capacitors, switches) or a model of such an interconnection, consisting of electrical elements (e.g. voltage sources, current sources, resistances, inductances, capacitances).

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Electrical resistance and conductance

The electrical resistance of an electrical conductor is a measure of the difficulty to pass an electric current through that conductor.

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An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water.

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Electronics is the discipline dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors.

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In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.

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An explosion is a rapid increase in volume and release of energy in an extreme manner, usually with the generation of high temperatures and the release of gases.

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Fire is the rapid oxidation of a material in the exothermic chemical process of combustion, releasing heat, light, and various reaction products.

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Fuse (electrical)

In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit.

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Gain (electronics)

In electronics, gain is a measure of the ability of a two-port circuit (often an amplifier) to increase the power or amplitude of a signal from the input to the output port by adding energy converted from some power supply to the signal.

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Ground and neutral

As the neutral point of an electrical supply system is often connected to earth ground, ground and neutral are closely related.

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Home appliance

Home appliances are electrical/mechanical machines which accomplish some household functions, such as cooking, cleaning, or food preservation.

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Hydrogen is a chemical element with symbol H and atomic number 1.

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Input impedance

The input impedance of an electrical network is the measure of the opposition to current flow (impedance), both static (resistance) and dynamic (reactance), into the load network being that is external to the electrical source.

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Insulator (electricity)

An electrical insulator is a material whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field.

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Joule heating

Joule heating, also known as Ohmic heating and resistive heating, is the process by which the passage of an electric current through a conductor produces heat.

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Leakage inductance

Leakage inductance is that property of an electrical transformer that causes a winding to appear to have some pure inductance in series with the mutually-coupled transformer windings.

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Mains electricity

Mains electricity (as it is known in the UK; US terms include grid power, wall power, and domestic power) is the general-purpose alternating-current (AC) electric power supply.

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Network analysis (electrical circuits)

A network, in the context of electronics, is a collection of interconnected components.

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Ohm's law

Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.

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Open-circuit voltage

Open-circuit voltage (abbreviated as OCV or VOC) is the difference of electrical potential between two terminals of a device when disconnected from any circuit.

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Operational amplifier

An operational amplifier (often op-amp or opamp) is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output.

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Overheating (electricity)

Overheating is a phenomenon of rising of temperature in an electric circuit (or portion of a circuit).

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Plasma (physics)

Plasma (Henry George Liddell, Robert Scott, A Greek English Lexicon, on Perseus) is one of the four fundamental states of matter, and was first described by chemist Irving Langmuir in the 1920s.

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Polyphase system

A polyphase system is a means of distributing alternating-current electrical power where the power transfer is constant.

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Power (physics)

In physics, power is the rate of doing work, the amount of energy transferred per unit time.

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Power supply

A power supply is an electrical device that supplies electric power to an electrical load.

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Prospective short-circuit current

The prospective short-circuit current (PSCC), available fault current, or short-circuit making current is the highest electric current which can exist in a particular electrical system under short-circuit conditions.

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A pump is a device that moves fluids (liquids or gases), or sometimes slurries, by mechanical action.

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Thévenin's theorem

As originally stated in terms of DC resistive circuits only, Thévenin's theorem holds that: In circuit theory terms, the theorem allows any one-port network to be reduced to a single voltage source and a single impedance.

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Virtual ground

In electronics, a virtual ground (or virtual earth) is a node of a circuit that is maintained at a steady reference potential, without being connected directly to the reference potential.

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Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.

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A wire is a single, usually cylindrical, flexible strand or rod of metal.

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Wire gauge

Wire gauge is a measurement of wire diameter.

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[1] https://en.wikipedia.org/wiki/Short_circuit

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