Current Electricity

JEE Advanced · Physics · 33 past questions

1. Q1 2026 Paper 2

   A metal wire of cross-sectional area $0.5\ \text{mm}^2$ and length $100$ m is connected across a battery of…

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2. Q2 2026 Paper 2

   As shown in the figure, the resistance of a galvanometer $G$ can be found by the half-deflection method. Here… (with a figure)

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3. Q3 2025 Paper 1

   A circuit with an electrical load having impedance $Z$ is connected with an AC source as shown in the… (with a figure)

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4. Q4 2023 Paper 1

   In a circuit shown in the figure, the capacitor $C$ is initially uncharged and the key $K$ is open. In this… (with a figure)

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5. Q5 2023 Paper 1

   A series LCR circuit is connected to a $45\sin(\omega t)$ Volt source. The resonant angular frequency of the…

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6. Q6 2022 Paper 1

   The figure shows a circuit having eight resistances of $1\ \Omega$ each, labelled $R_1$ to $R_8$, and two… (with a figure)

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7. Q7 2022 Paper 2

   Two resistances $R_1 = X\ \Omega$ and $R_2 = 1\ \Omega$ are connected to a wire $AB$ of uniform resistivity… (with a figure)

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8. Q8 2021 Paper 2

   Question Stem for Question Nos. 11 and 12…

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9. Q9 2021 Paper 2

   Question Stem for Question Nos. 11 and 12…

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10. Q10 2020 Paper 1

    Shown in the figure is a semicircular metallic strip that has thickness $t$ and resistivity $\rho$. Its inner… (with a figure)

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11. Q11 2020 Paper 2

    In the balanced condition, the values of the resistances of the four arms of a Wheatstone bridge are shown in… (with a figure)

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12. Q12 2019 Paper 1

    Two identical moving coil galvanometers have $10\ \Omega$ resistance and full scale deflection at $2\ \mu A$…

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13. Q13 2018 Paper 2

    A moving coil galvanometer has $50$ turns and each turn has an area $2 \times 10^{-4}\ m^2$. The magnetic…

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14. Q14 2017 Paper 1

    In the circuit shown, $L = 1\ \mu$H, $C = 1\ \mu$F and $R = 1\ k\Omega$. They are connected in series with an… (with a figure)

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15. Q15 2016 Paper 2

    Consider two identical galvanometers and two identical resistors with resistance $R$. If the internal…

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16. Q16 2015 Paper 1

    In an aluminum (Al) bar of square cross section, a square hole is drilled and is filled with iron (Fe) as… (with a figure)

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17. Q17 2015 Paper 2

    In the following circuit, the current through the resistor $R\ (=2\,\Omega)$ is $I$ Amperes. The value of $I$… (with a figure)

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18. Q18 2014 Paper 1

    Heater of an electric kettle is made of a wire of length $L$ and diameter $d$. It takes 4 minutes to raise…

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19. Q19 2014 Paper 1

    Two ideal batteries of emf $V_1$ and $V_2$ and three resistances $R_1$, $R_2$ and $R_3$ are connected as… (with a figure)

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20. Q20 2014 Paper 1

    A galvanometer gives full scale deflection with $0.006\,A$ current. By connecting it to a $4990\,\Omega$…

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21. Q21 2014 Paper 2

    During an experiment with a metre bridge, the galvanometer shows a null point when the jockey is pressed at… (with a figure)

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22. Q22 2012 Paper 2

    In the given circuit, the AC source has $\omega = 100$ rad/s. Considering the inductor and capacitor to be… (with a figure)

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23. Q23 2011 Paper 1

    A meter bridge is set-up as shown, to determine an unknown resistance 'X' using a standard 10 ohm resistor.… (with a figure)

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24. Q24 2011 Paper 2

    Two batteries of different emfs and different internal resistances are connected as shown. The voltage across… (with a figure)

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25. Q25 2011 Paper 2

    A series R-C combination is connected to an AC voltage of angular frequency $\omega = 500$ radian/s. If the…

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26. Q26 2010 Paper 1

    Consider a thin square sheet of side $L$ and thickness $t$, made of a material of resistivity $\rho$. The… (with a figure)

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27. Q27 2010 Paper 1

    Incandescent bulbs are designed by keeping in mind that the resistance of their filament increases with the…

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28. Q28 2010 Paper 1

    To verify Ohm's law, a student is provided with a test resistor $R_T$, a high resistance $R_1$, a small… (with a figure)

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29. Q29 2010 Paper 1

    When two identical batteries of internal resistance $1\,\Omega$ each are connected in series across a…

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30. Q30 2009 Paper 1

    For the circuit shown in the figure (with a figure)

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31. Q31 2008 Paper 1

    STATEMENT-1…

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32. Q32 2008 Paper 2

    STATEMENT-1…

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33. Q33 2007 Paper 1

    A resistance of 2 $\Omega$ is connected across one gap of a metre-bridge (the length of the wire is 100 cm)…

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