Contents
What is the purpose of circuit diagram?
A drawing meant to depict what the physical arrangement of the wires and the components they connect is called “artwork” or “layout” or the “physical design.” Circuit diagrams are used for the design (circuit design), construction (such as PCB layout), and maintenance of electrical and electronic equipment.
What is the purpose of a fuse or circuit breaker?
The fuse breaks the circuit if a fault in an appliance causes too much current to flow. This protects the wiring and the appliance if something goes wrong. The fuse contains a piece of wire that melts easily. If the current going through the fuse is too great, the wire heats up until it melts and breaks the circuit.
What is the purpose of resistor in a circuit?
A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, bias active elements, and terminate transmission lines, among other uses.
What is the purpose of the miniature circuit breaker?
The primary function of a miniature circuit-breaker is to protect an installation or appliance against sustained overloading and short-circuit faults, but it will also give protection against earth faults provided that the earth fault loop impedance is low enough.
What are the main parts of a circuit?
Electric circuits An electric circuit has three parts: An energy source – like a battery or mains power. An energy receiver – like a lightbulb. An energy pathway – like a wire.
What is the role of fuse wire in our daily life?
A fuse(s) is needed in any electrical system (AC or DC). These protection devices react to the amount of heat being produced by electricity passing through wires and/or components. They are used so as to protect wires and components from the extreme heat produced should there be an electrical overload or short circuit.
How do electromagnetic circuit breakers work?
The magnetic portion of the breaker consists of an iron core with a wire coil around it, forming an electromagnet. Load current passes through the electromagnet coils so the electromagnet responds to short-circuit currents. It may take hydraulic-magnetic breakers 10 msec or more to completely stop current flow.
What does it mean by circuit?
1) In electronics, a circuit is a path between two or more points along which an electrical current can be carried. (A circuit breaker is a device that interrupts the path when necessary to protect other devices attached to the circuit – for example, in case of a power surge.)
What is an example of a circuit?
The definition of a circuit is a closed path or a line forming a boundary. An example of circuit is the wires made up of conductors and other components that allow for electricity to travel on wires. An example of circuit is the path taken by a judge who officates at several courts. YourDictionary definition and usage example. “Circuit.”.
What is current and voltage in a circuit?
Voltage Contents: Current vs Voltage Relationship Between Voltage and Current. Current and voltage are two fundamental quantities in electricity. Circuit. An electric circuit with a voltage source (e.g. Symbols and Units. An uppercase italic letter I symbolizes current. Fields and Intensity. Series and Parallel connections.
What does current refer to in a circuit?
Current is the rate at which something flows. Electric current is the rate at which electric charge flows past a point on the electric circuit. Water current is the rate at which water flows past a point on the water circuit.