Write the necessary facts to understand Kirchhoff's laws.
(N/A) $1$. In a given circuit or network,the direction of current is indicated by using an arrow $(\rightarrow)$.
$2$. The source of $EMF$ or a cell is represented with a positive terminal $(P)$ and a negative terminal $(N)$.
$3$. For a cell discharging,the potential difference is given by $V = V(P) - V(N) = \varepsilon - Ir$.
$4$. When a cell is being charged,the potential difference is given by $V = \varepsilon + Ir$.
$2$. The source of $EMF$ or a cell is represented with a positive terminal $(P)$ and a negative terminal $(N)$.
$3$. For a cell discharging,the potential difference is given by $V = V(P) - V(N) = \varepsilon - Ir$.
$4$. When a cell is being charged,the potential difference is given by $V = \varepsilon + Ir$.
Explore More
Similar Questions
In a balanced Wheatstone's network,the resistances in the arms $Q$ and $S$ are interchanged. As a result of this:
Easy
View SolutionThe current drawn from the battery in the given network is (Internal resistance of the battery is negligible). (in $A$)
If in the experiment of Wheatstone's bridge,the positions of cells and galvanometer are interchanged,then the balance point will
In a Wheatstone network,$P=2 \Omega, Q=2 \Omega, R=2 \Omega$,and $S=3 \Omega$. The resistance with which $S$ is to be shunted so that the bridge may be balanced is: (in $\Omega$)
MediumKCET 2015
View SolutionWhat are the advantages of the null-point method in a Wheatstone bridge? What additional measurements would be required to calculate $R_{\text{unknown}}$ by any other method?
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo