kirchhoff's laws

Học thuật
Thân thiện
kirchhoff's laws

A student uses Kirchhoff's laws to solve a circuit diagram on the whiteboard.

Definition

Noun (Physics): 1. Fundamental circuit laws: A pair of fundamental laws that govern the behavior of electrical currents and voltages in any lumped-parameter electrical network. They are essential for the analysis of complex circuits. 2. Current Law (KCL): The first law states that the algebraic sum of all currents entering any node (junction) in a circuit is zero. This is based on the principle of conservation of electric charge. 3. Voltage Law (KVL): The second law states that the algebraic sum of all voltages (or potential differences) around any closed loop in a circuit is zero. This is based on the principle of conservation of energy.

Usage Examples
  • To solve for the unknown currents in this network, you must apply Kirchhoff's laws.
  • The analysis of the bridge circuit is impossible without using Kirchhoff's laws.
  • Kirchhoff's laws provide the foundational equations for nodal and mesh analysis techniques.
Advanced Usage
  • "Apply Kirchhoff's laws": To use these laws to set up a system of equations for circuit analysis.
    • The first step is to apply Kirchhoff's laws to the schematic.
  • "Derived from Kirchhoff's laws": A result or method that is a direct consequence of these laws.
    • The superposition theorem is ultimately derived from Kirchhoff's laws.
Variants and Related Words
  • Kirchhoff's Current Law (KCL): The specific law concerning the conservation of current at a node.
  • Kirchhoff's Voltage Law (KVL): The specific law concerning the conservation of energy (voltage) around a loop.
  • Circuit Laws / Network Laws: A more general term for the fundamental rules governing electrical circuits, which include Kirchhoff's laws.
Synonyms
  • Circuit Laws
  • Network Laws (in the context of electrical circuit theory)
Related Phrases
  • "Write the KCL equation for node X": To formulate the current law equation for a specific point in the circuit.
  • "Sum the voltages around the loop using KVL": To apply the voltage law to a specific closed path in the circuit.
kirchhoff's laws

A student uses Kirchhoff's laws to solve a circuit diagram on the whiteboard.

Noun
  1. (physics) two laws governing electric networks in which steady currents flow: the sum of all the currents at a point is zero and the sum of the voltage gains and drops around any closed circuit is zero

Từ đồng nghĩa