हिंदी

Are Kirchhoff’s laws applicable to both AC and DC currents? - Physics

Advertisements
Advertisements

प्रश्न

Are Kirchhoff’s laws applicable to both AC and DC currents?

टिप्पणी लिखिए
Advertisements

उत्तर

Yes, Kirchoff's law states that the algebraic sum of the flow of current into and out of a node must be equal. This is true for all DC circuits, and for AC circuits at frequencies where the wavelengths of electromagnetic radiation are very large compared to the circuits the law is valid.

shaalaa.com
Kirchhoff’s Laws of Electrical Network
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 9: Current Electricity - Exercises [पृष्ठ २२८]

APPEARS IN

बालभारती Physics [English] Standard 12 Maharashtra State Board
अध्याय 9 Current Electricity
Exercises | Q 2.04 | पृष्ठ २२८

संबंधित प्रश्न

Kirchhoff’s first law, i.e., ΣI = 0 at a junction, deals with the conservation of ______.


Two cells of emf 1.5 Volt and 2 Volt having respective internal resistances of 1 Ω and 2 Ω are connected in parallel so as to send current in the same direction through an external resistance of 5 Ω. Find the current through the external resistance.


Kirchhoff’s second law (voltage law) is based on ______ 


State Kirchhoff’s first (current) law.


State Kirchhoff’s second (voltage) law.


What is the basis of Kirchhoff’s current law and voltage law?


Are Kirchhoff’s laws applicable to both AC and DC circuits?


A carrier wave of peak voltage 16 V is used to transmit a signal. If the modulation index is 75%, the peak voltage of the modulating signal is ______.


Kirchhoff's junction rule is a reflection of ____________.


In the given circuit, the emf 'E' of the cell is ______.


What determines the conventional direction of the product of current and resistance while applying the Kirchhoff's law?


In the following electrical network, the value of 'I' is


The current in the arm CD of the circuit will be


According the Kirchhoff's law, in any analytic circuit, if the direction of current is assumed opposite, then the value of current will be ____________.


Kirchhoff's law of radiation proves that ______ 


Two cells of emf 4 V and 2 V having a respective internal resistance of 1 Ω and 2 Ω are connected in parallel, so as to send current in the same direction through an external resistance of 5 Ω. Find the current through the external resistance.


In the following network, the current flowing through 15 Ω resistance is ______.


State Kirchhoff's voltage law.


State Kirchhoff's current law sign conventions


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×