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Kirchhoff's laws and applications

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Every question from past board papers on Kirchhoff's laws and applications, newest paper first. Open any question for its full worked answer.

NEET UG 2025 question paper (official, booklet 45)

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  1. The current passing through the battery in the given circuit, is:

    circuit with resistors 5, 1.5, 2.5, 6, 5.5, 3, 1.5 ohm and battery 5V with internal 1/3 ohm; nodes A-F

    4 marks · See worked answer →

  2. A constant voltage of 50 V is maintained between the points A and B of the circuit shown in the figure. The current through the branch CD of the circuit is :

    bridge circuit: 1 ohm and 2 ohm top (A-C-B), 3 ohm and 4 ohm bottom, wire CD between middle junctions, 50 V battery across A,B

    4 marks · See worked answer →

NEET UG 2023 question paper (official, booklet G6)

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

    loop ABCD with 2 ohm, cells 10 V and 5 V (E between), 1 ohm, 7 ohm

    4 marks · See worked answer →

NEET UG 2021 question paper (official, booklet M4)

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  1. Three resistors having resistances \(r_1\), \(r_2\) and \(r_3\) are connected as shown in the given circuit. The ratio \(\frac{i_3}{i_1}\) of currents in terms of resistances used in the circuit is :

    r1 in series with parallel r2 and r3, currents i1, i2, i3

    4 marks · See worked answer →

NEET UG 2016 Phase 2 question paper (official, booklet ZZ)

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  1. The potential difference \((V_A-V_B)\) between the points \(A\) and \(B\) in the given figure is

    circuit A-2 ohm-3V cell-1 ohm-B with I=2 A

    4 marks · See worked answer →