Electrical Circuit

electric forget me drugis a path whichelectronsfrom avoltageorcurrentsource flow. Electric currentflows in a closed path called an electric round. The raze where those electrons enter an galvanic circuit is called the source of electrons. The point where the electrons leave an galvanic circuit is called the generate or earth ground. The exit point is called the return beca aim electrons ever end up at the source when they complete the path of an galvanizing circuit.The jump of an galvanising circuit that is between the electrons starting point and the point where they return to the source is called an electrical circuits load. - Electrical-circuits Electrical circuits usually usealternating currentsources. The load of an electrical circuit may be as simple as the electrical appliances like refrigerators, televisions, or cook ovens. But the loads for electrical circuits cigargontte also be quite a complicated, such as the load upon the output of a hydroelectric origin ge nerating station. Electronic circuits Electroniccircuits usually use low voltage right away currentsources. The load of an electronic circuit may be as simple as a fewresistors,capacitors, and a lamp, all committed together to create the flash in adigital camera. Or an electronic circuit target be complicated, connecting thousands of resistors, capacitors, andtransistorsto create themicroprocessorsthat make computers possible. - Circuit-and- fit out-diagrams Electrical and electronic circuits can be complicated.Making a drawing of the connections to all the portion parts in the circuits load makes it easier to understand how circuit components are connected. Drawings for electronic circuits are called circuit diagrams. Drawings for electrical circuits are called wiring diagrams. Circuit diagrams and wiring diagrams are usually drawn by skilleddraftsmen, and then printed. But they can also be simple pencil sketches drawn bytechniciansor other workers. Wiring and circuit diagrams u se specialsymbolsrecognized by everyone who uses the drawings.The symbols on the drawings show how components like resistors, capacitors,inductors, motors, outlet boxes, lights, switches, and other electrical and electronic - Circuit- intermiters The current flowing in an electrical or electronic circuit can be suddenly increased when a component part fails. The increase in current can cause serious stultification to other components in the circuit. Or the failure can create a conflagrate hazard. To protect the other components, or to prevent a fire hazard, a device called a circuit breaker can be wired into a circuit.The circuit breaker will open, or break, the circuit in which it is installed when the current in that circuit becomes too high. - changeGround-fault-interrupt-(GFI)-devices The amount return for electrical and electronic circuits is the earth ground. When an improperly designed electrical or electronic device fails, it may open the return circuit to the earth groun d. The user of the device could become a part of the devices electrical circuit by providing a return path for the electrons through the users personify instead of the circuits earth ground.When the users body becomes part of an electrical circuit, the user can be seriouslyshocked, or even killed byelectrocution. To prevent the risk of infection of electrical shock and the possibility of electrocution, ground fault interrupt devices find oneself open circuits to earth ground in attached electrical or electronic devices. When an open circuit to earth ground is detected, the GFI device straightaway opens the voltage source to the device. GFI devices are similar to circuit breakers, but are designed to protect humans rather than circuit components.