Kirchhoff's Laws & Circuits: JEE Questions & Solutions

The heat generated in 1 minute between points A and B in the given circuit, when a battery of 9 V with internal resistance of 1 Ω is…

The charge stored by the capacitor C in the given circuit in the steady state is μC.

A wire of uniform resistance λ Ω/m is bent into a circle of radius r and another piece of wire with length 2r is connected between points A…

Two resistors of 100 Ω each are connected in series with a 9 V battery. A voltmeter of 400 Ω resistance is connected to measure the voltage…

A regular hexagon is formed by six wires each of resistance r Ω and the corners are joined to the centre by wires of same resistance. If…

The reading of the ammeter (A) in steady state in the circuit described below (assuming negligible internal resistance of the ammeter) is…

Sliding contact of a potentiometer is in the middle of the potentiometer wire having resistance R_p = 1 Ω as shown in the figure. An…

The net current flowing in the given circuit is A.

Refer to the circuit diagram given in the figure, which of the following observation are correct? A. Total resistance of circuit is 6 Ω B.…

What is the current through the battery in the circuit shown below?

In the figure shown below, a resistance of 150.4 Ω is connected in series to an ammeter A of resistance 240 Ω. A shunt resistance of 10 Ω…

Three voltmeters are joined as shown. When a potential difference is applied across A and B, their readings are V₁, V₂, and V₃. Choose the…

In the given circuit, the current flowing through the resistance 20Ω is 0.3 A, while the ammeter reads 0.9 A. The value of R₁ is Ω: The…

A potential divider circuit consists of a 4 V cell in series with a 3.3 kΩ resistor followed by seven 100 Ω resistors in series. The output…

A 16 Ω wire is bent to form a square loop. A 9 V battery with internal resistance 1 Ω is connected across one of its sides. If a 4 μ F…

A network of resistors is connected to a battery of 24 V with an internal resistance of 3Ω. The network forms a single loop with the…

A cell of emf 90 V is connected across a series combination of two resistors each of 100 Ω resistance. A voltmeter of resistance 400 Ω is…

If the potential difference between B and D is zero, the value of x is 1/n Ω. The value of n is........

For the given circuit, in the steady state, |V_B - V_D| =......... V.

In the given circuit the value of | (I₁ + I₃)/I₂ | is.

Figure shows a part of an electric circuit. The potentials at points a, b, and c are 30 V, 12 V, and 2 V respectively. The current through…

As shown in the figure, the voltmeter reads 2 V across a 5 Ω resistor. The resistance of the voltmeter is Ω.

In this figure, the resistance of the coil of galvanometer G is 2 Ω. The emf of the cell is 4 V. The ratio of potential difference across…

In the circuit diagram shown in figure given below, the current flowing through resistance 3 Ω is x/3 A. The value of x is

The current flowing through R₂ is: