हिंदी

Kirchhoff'S Voltage Law and Current Law Are Respectively in Accordance with the Conservation of

Advertisements
Advertisements

प्रश्न

Kirchhoff's voltage law and current law are respectively in accordance with the conservation of .................................. .

  1. charge and momentum
  2. charge and energy
  3. energy and charge
  4. energy and momentum
Advertisements

उत्तर

energy and charge

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
2013-2014 (October)

APPEARS IN

वीडियो ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्न

Given n resistors each of resistance R, how will you combine them to get the (i) maximum (ii) minimum effective resistance? What is the ratio of the maximum to minimum resistance?


State Kirchhoff's rules and explain on what basis they are justified.


Given the resistances of 1 Ω, 2 Ω, 3 Ω, how will be combine them to get an equivalent resistance of  (11/5) Ω?


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


Calculate the value of the resistance R in the circuit shown in the figure so that the current in the circuit is 0.2 A. What would b the potential difference between points A and 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.


Consider the circuit shown in the figure. Find (a) the current in the circuit (b) the potential drop across the 5 Ω resistor (c) the potential drop across the 10 Ω resistor (d) Answer the parts (a), (b) and (c) with reference to the figure.


Twelve wires, each of equal resistance r, are joined to form a cube, as shown in the figure. Find the equivalent resistance between the diagonally-opposite points a and f.


A capacitor of capacitance 8.0 μF is connected to a battery of emf 6.0 V through a resistance of 24 Ω. Find the current in the circuit (a) just after the connections are made and (b) one time constant after the connections are made.


On which conservation principle is Kirchoff's Second Law of electrical networks based?


State and explain Kirchhoff’s rules.


Explain the determination of unknown resistance using meter bridge.


A copper wire of 10-6 m2 area of cross-section, carries a current of 2 A. If the number of electrons per cubic meter is 8 × 1028, calculate the current density and average drift velocity.


A potentiometer wire has a length of 4 m and resistance of 20 Ω. It is connected in series with resistance of 2980 Ω and a cell of emf 4 V. Calculate the potential along the wire.


Assertion: Kirchhoff’s junction rule follows from conservation of charge.
Reason: Kirchhoff’s loop rule follows from conservation of momentum.


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

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


Three resistors having resistances r1, r2 and r3 are connected as shown in the given circuit. The ratio `i_3/i_1` of currents in terms of resistances used in the circuit is:


The value of current in the 6Ω resistance is ______.

 


What is Kirchhoff's Current Law also called?


What is a junction or node?


What is emf?


Why must the amount of charge entering a junction per second equal the amount leaving when current is steady?


In a closed loop containing cells and resistors, what equals the total potential drop across the resistors?


Which sign convention is usually used for current entering a junction?


Which sign convention is usually used for current leaving a junction?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×