Question

state and prove kirchhoffs law.​

Answer 1

Kirchhoff's Law

Statement ➡

●Kirchhoff's current law (1st Law) states that current flowing into a node (or a junction) must be equal to current flowing out of it. This is a consequence of charge conservation.

●Kirchhoff's voltage law (2nd Law) states that the sum of all voltages around any closed loop in a circuit must equal zero.

Proof ➡

Kirchhoff's current law states that for the diagram above, the currents in the three wires must be related by:

●1+2=3●

It is important to note what is meant by the signs of the current in the diagram - a positive current means that the currents are flowing in the directions indicated on the diagram.

The standard way of displaying Kirchhoff's current law is by having all currents either flowing towards or away from the node•

Answer 2

✌Kirchhoff's law states that the current flowing into a node must be equal to current flowing out of it.

It also states that the sum of all voltages around any closed loop in a circuit must equal 0.✔✔

Prove: The observation about currents flowing in a node is nicely captured in a general form.✔✔

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