What is Parallel Circuit
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This document provides a lesson on parallel circuits. It defines a parallel circuit as one with two or more current paths where the voltage is the same across each component. Current can follow many different paths in a parallel circuit and has different values in different places, while the voltage value is the same everywhere. The total resistance of a parallel circuit decreases compared to the lowest resistor value. The lesson covers the definition of a parallel circuit, voltage and current values, resistance values, and includes examples and homework assignments.
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This document provides information about electrical circuits. It defines key terms like current, resistance, resistors, series circuits and parallel circuits. It explains that series circuits provide only one path for electrons to flow while parallel circuits provide multiple paths. The document notes that resistance affects current differently in each circuit type and that current increases directly with voltage but inversely with resistance. It emphasizes that understanding these relationships is an essential learning.
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Electric circuits can be defined as closed or continuous paths in which electric currents are confined and around which electric currents can be caused to flow. Electrical circuits are an essential part of daily living, and may be found in heavy and light industry, commercial installations and operations, and residential applications. Modern life and its many conveniences seem inconceivable without the use of electric circuits.
The total resistance of a circuit is the sum of the individual resistances of the power source, the wiring, and the load. The load resistance is generally much higher than either the resistance of the power source or the wiring. The resistances of the wiring are usually neglected in classroom laboratory experiments. Very rarely is circuit wiring significant in experimental work. In these cases we consider the loads resistances to be the only resistance. Wiring resistance may be considerable in the case of transmission cables, as well as telephone lines, which are many miles long, and we have a lab which investigates and calculates the resistance in such cables and the lost power and energy due to these lengths.
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by reducing the source voltage, but this is not always feasible and is frequently impossible. The resistances of the voltage source or the load could be increased, but these are usually built right into the source or load. Resistances of connecting wires are so low that miles would be needed to increase the circuit resistance by more than a few dozen ohms. A selection of materials for connecting wires might be useful, but a better method would be to creation of a device that is specifically a resistor that can be included with the circuit to give the net or total resistance needed to provide the desired current for the voltage source involved.
In any DC circuit, the total current is equal to the power source voltage divided by the total or equivalent resistance. For a Series Circuit, this is the only current. This means that if the current in some portion of the circuit is known, the total current and the current through every part of the circuit is known. The sum of the voltage drops across the resistors in series is equal to the power supply voltage.
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The sum of the currents in the various branches is equal to the current from the po.
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Parallel circuit of physics
1) In a parallel circuit, the total current is equal to the sum of the individual branch currents. While the voltage remains the same across all branches, the current divides between the paths and decreases in branches with higher resistance.
2) The current entering or leaving any point in the circuit is the same according to Kirchhoff's current law. All current entering a node must exit that node.
3) In a parallel circuit, the voltage remains the same across each branch because the potential difference across each resistor is the same as the voltage supplied by the battery. However, the current in each branch can vary depending on the resistance of that branch.
4.3.b form 4 parallel circuits
1) Electrical components in a parallel circuit provide separate conducting paths for current. Current divides between the paths, but voltage remains equal across all components.
2) The total resistance of a parallel circuit is less than the smallest individual resistance and decreases as more paths are added.
3) Current can be different in each branch of a parallel circuit, while the total current equals the sum of the individual branch currents.
Circuits and circuits elements
This document discusses electrical circuits and components. It defines a schematic diagram and the basic symbols used to represent circuit components. It describes the three main types of circuits: simple, parallel and complex combination circuits. It also defines open and closed circuits, and discusses resistors in series and parallel configurations. Sample problems are provided to illustrate how to calculate equivalent resistance, current, and potential difference in different circuit setups.
Polyphase circuit electrical maintenace
The document discusses polyphase circuits, including:
- Single phase circuits have one voltage produced by a single winding, while polyphase circuits have multiple voltages produced by separate windings displaced by electrical angles.
- Three phase systems are most common, producing three voltages 120 degrees apart.
- Star and delta connections are used to interconnect the phases to reduce the number of conductors needed.
- In a star connection, line voltage is 3 times phase voltage and line current equals phase current. In a delta connection, line voltage equals phase voltage and line current is 3 times phase current.
- Several example problems on polyphase circuits are provided to calculate line current, power factor, and total power given resistance and react
Voltage
This document discusses voltage, potential difference, and electromotive force in electric circuits. It defines that in a series circuit, the total voltage is equal to the sum of the voltages across each component. In a parallel circuit, the voltage is the same across each component branch, whereas in a series circuit the current is the same through each component but the voltage splits across them. It provides examples of measuring voltages in series and parallel circuits and explains that the energy transferred per coulomb is equal across the whole circuit due to conservation of energy.
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What is Parallel Circuit
- 3. P.005.37.16 AFTAB ALAM Jr. Instructor (R&M Electrical Appliances) Vocational Training Institute, Hassan Abdal (Hazro Campus)
- 4. Warm Up
- 5. Two Train, Two Tracks
- 7. Failure or Success path
- 8. Topic
- 9. Objective of this lesson In this lesson you will be learning the basics of Circuit. In this lesson we learn designed so that the instructions should work on almost any circuit. By the end of this level you will have the skills to develop basic circuits drawings.
- 10. Contents Definition of Parallel circuit Parallel circuit connection Qualities of Parallel circuit
- 11. Definition of Parallel Circuit A parallel circuit has two or more paths for current to flow through. Voltage is the same across each component of the parallel circuit. The sum of the currents through each path is equal to the total current that flows from the source.
- 12. Current path The current follows many path
- 13. Current Value The current is the different everywhere in the Parallel circuit.
- 14. Voltage Value The is same in every place in parallel circuit. Source voltage is equal to resistor drop
- 15. Resistance Value The total resistance of the circuit is decrease from the lowest resistor value.
- 16. Practical Work
- 17. Summary of Lesson Definition Of Parallel circuit Voltage Value Resistance Value Current Values
- 18. Evaluation What is Definition Of Parallel circuit? How many path Current follows in Parallel circuit? What is the Current (I) position in the Parallel circuit?
- 19. Home Assignment • Define the ParallelCircuit? • Draw the Parallel circuit on your notebook. • What is the current position in Parallel circuit? • What is the formula of calculate the Total Resistance? • What is the formula of calculate a Total Voltage?
- 20. Any Question
- 21. Justification *** I use multimedia Presentation to make lecture more interesting and attractive by using animation & Slides. It’s easier for trainees to read text rather than trying to read a teacher’s writing on the board.