मराठी
तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएचएससी विज्ञान इयत्ता १२

State Kirchhoff’s current rule. - Physics

Advertisements
Advertisements

प्रश्न

State Kirchhoff’s current rule.

टीपा लिहा

उत्तर

  1. Kirchhoff’s current rule states that the algebraic sum of the currents at any junction of a circuit is zero. 
    i.e `Σ_"junction"` i = 0
  2. It is a statement of conservation of electric charge.
shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Current Electricity - Evaluation [पृष्ठ १२०]

APPEARS IN

सामाचीर कलवी Physics - Volume 1 and 2 [English] Class 12 TN Board
पाठ 2 Current Electricity
Evaluation | Q II. 13. | पृष्ठ १२०

संबंधित प्रश्‍न

Determine the current drawn from a 12 V supply with internal resistance 0.5 Ω by the infinite network shown in the figure. Each resistor has 1 Ω resistance.


Given the resistances of 1 Ω, 2 Ω, 3 Ω, how will be combine them to get an equivalent resistance of  (6/11) Ω?


In the given circuit, assuming point A to be at zero potential, use Kirchhoff’s rules to determine the potential at point B.


Consider the following two statements:-

(A) Kirchhoff's junction law follows from conservation of charge.

(B) Kirchhoff's loop law follows from conservative nature of electric field.


Twelve wires each having a resistance of 3 Ω are connected to form a cubical network. A battery of 10 V and negligible internal resistance is connected across the diagonally opposite corners of this network. Determine its equivalent resistance and the current along each edge of the cube.


How the emf of two cells are compared using potentiometer?


In a potentiometer arrangement, a cell of emf 1.25 V gives a balance point at 35 cm length of the wire. If the cell is replaced by another cell and the balance point shifts to 63 cm, what is the emf of the second cell?


The Kirchhoff's second law (ΣiR = ΣE), where the symbols have their usual meanings, is based on ______.


Power P is to be delivered to a device via transmission cables having resistance RC. If V is the voltage across R and I the current through it, find the power wasted and how can it be reduced.


A 6-volt battery is connected to the terminals of a three-metre-long wire of uniform thickness and resistance of 100 ohms. The difference of potential between two points on the wire separated by a distance of 50 cm will be ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×