Content of Kirchhoff's Laws
Kirchhoff's laws are a set of laws in circuit analysis that describe the distribution and flow of current and voltage in a circuit.
Kirchhoff's Current Law (KCL)
KCL states that the total current flowing into any node is equal to the total current flowing out of that node. Expressed mathematically as:
<code>Σi_in = Σi_out</code>
Kirchhoff’s Voltage Law (KVL)
KVL states that the algebraic sum of the voltages along any closed loop is zero. Expressed as a mathematical formula:
<code>ΣV = 0</code>
The meaning of the law
KCL means that no node will accumulate or lose charge. Current flowing into a node will flow out of the node to maintain charge balance.
KVL means that the energy consumed in any closed loop is equal to the energy supplied. This indicates that no energy is produced or lost in the circuit.
Application
Kirchhoff’s law is widely used in circuit analysis to solve a variety of problems, including:
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