Question:

Kirchhoff's first law, i.e. $\sum i =0$ at a junction, deals with the conservation of

Updated On: May 3, 2024
  • momentum
  • angular momentum
  • charge
  • energy
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The Correct Option is C

Approach Solution - 1

The principle of conservation of electric charge implies that: at any node (junction) in an electrical circuit , the sum of currents flowing into that node is equal to the sum of currents flowing out of that node. This is known as Kirchhoff's current law.
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Approach Solution -2

The right answer is A) Charge Explanation, which states that the sum of currents flowing into and out of each node (junction) in an electrical circuit must match the sum of currents flowing into and out of that node. The Kirchhoff current legislation is this.

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Concepts Used:

Current Electricity

Current electricity is defined as the flow of electrons from one section of the circuit to another.

Types of Current Electricity

There are two types of current electricity as follows:

Direct Current

The current electricity whose direction remains the same is known as direct current. Direct current is defined by the constant flow of electrons from a region of high electron density to a region of low electron density. DC is used in many household appliances and applications that involve a battery.

Alternating Current

The current electricity that is bidirectional and keeps changing the direction of the charge flow is known as alternating current. The bi-directionality is caused by a sinusoidally varying current and voltage that reverses directions, creating a periodic back-and-forth motion for the current. The electrical outlets at our homes and industries are supplied with alternating current.