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.

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

A current of $15 \mathrm{mA}$ flows in the circuit as shown in figure. The value of potential difference between the points $A$ and $B$ will be

For the given figure, identify the relation between currents according to $\mathrm{KCL}$$:$

In the circuit shown in the figure, reading of voltmeter is $V_1$ when $S_1$ is closed, reading of voltmeter is $V_2$ when only $S_2$ is closed and reading of voltmeter is $V_3$ when both $S_1$ and $S_2$ are closed. Then -

In the shown circuit the resistance $R$ can be varied

The variation of current through $R$ against $R$ is correctly plotted as:

Kirchhoff's first law and second law, proves the

The box in the circuit below has two inputs marked $v_{+}$ and $v_{-}$ and a single output marked $V_0.$ The output obeys

$V_0=+10V$, if $v_{+}>v_{-}$

$V_0=$$-10V$, if $v_{+}<v_{-}$

The output $V_0$ of this circuit a long time after it is switched on is best represented by:

A student was trying to construct the circuit shown in the figure below marked (a), but ended up constructing the circuit marked (b). Realizing her mistake, she corrected the circuit, but to her surprise, the output voltage (across $R$) did not change.

The value of resistance $R$ is :-

Consider the part of the circuit shown. What is the value of current $I,$ if the battery is ideal?

The circuit shown consists of three identical resistances and three identical voltmeters. Reading of first and third voltmeters are $V_1=22$ volt and $V_3=8$ volt. Calculate the reading of second voltmeter.

Kirchhoff's first law is based on conservation of

If the diodes are ideal in the circuit given below, then the current through the cell is

Find the magnitude of flowing current in $R_2$ of following circuit, when a constant voltage $22 V$ is kept between $AB.$

A $6 V$ cell with $1 \mathrm{\Omega }$ internal resistance and $10 V$ cell with $2 \mathrm{\Omega }$ internal resistance and $10 \mathrm{\Omega }$ external resistance are connected in parallel. The current in ampere through $10 V$ cell is

Consider the circuit as shown below. In the circuit $R_1=R_2=R_3=4 \mathrm{\Omega }, V_1=10 \mathrm{V}$ and $V_2=5 \mathrm{V}.$ The current flowing through resistance $R_3$ is