Kirchhoff's Laws and their Applications

Which of the following rule may be used to obtain the values of the three unknown currents in the branches (shown) of the circuit given below?

Apply Kirchhoff’s rule to the loops $PRSP$ and $PRQP$ to find currents  $I_1,I_2$  and  $I_3$  in the network.

Apply Kirchhoff’s rules to the loops $ACBPA$ and $ACBQA$ to write the expressions for the currents  $I_1, I_2$  and  $I_3$  in the network.

State Kirchhoff’s rules. Use these rules to write the expressions for the currents  $I_1, I_2$ and $I_3$ in the circuit diagram shown.

For the given network calculate the current flowing through the battery and in the branch $A$

The magnitude and direction of the current in the following circuit is

In this figure the resistance of the coil of galvanometer $\mathrm{G}$ is $2 \Omega$. The emf of the cell is $4 \mathrm{V}$. The ratio of potential difference across ${\mathrm{C}}_1$ and ${\mathrm{C}}_2$ is

Figure shows a part of an electric circuit. The potentials at points $a, b$ and $c$ are $30 \mathrm{V}, 12 \mathrm{V}$ and $2 \mathrm{V}$ respectively. The current through the $20 \mathrm{\Omega }$ resistor will be,

An experiment is performed to determine $I—V$ characteristics of a Zener diode. which has a protective resistance of $R=100 \mathrm{\Omega }$ and a maximum power of dissipation rating of $1 \mathrm{W}$. The minimum voltage range of the DC source in the circuit is:

Which of the given statement is incorrect about sign convention for applying loop rule?

In the circuit given below if I is the current entering the network of resistors of equal resistances,

i. Using Kirchhoff’s rules, prove that current through the arm AC is equal to that in the arm CE. Show the distribution of the current diagrammatically.

ii. Redraw the diagram to show the split in junction C without altering the current in any arm.

Explain Kirchhoff's laws with examples.

Calculate the value of $i_1,i_2$ and $i_3$ in the following diagram.

The potential difference between points A and B in the circuit shown in figure will be

Is it possible?

Find current through $4 \mathrm{\Omega }$ resistor in the circuit given below

In the below network, the galvanometer has a resistance of $5 \mathrm{\Omega }$. The current through it is

Conservation of charge and conservation of energy are respectively the basis of

Find the potential difference across each cell and the rate of energy dissipation in $R$.