Current Electricity

CBSE Class 12 · Physics · 23 past questions

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1. Q1 2026

   Questions number 13 to 16 are Assertion (A) and Reason (R) type questions. Two statements are given — one…

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2. Q2 2026

   Questions number 13 to 16 are Assertion (A) and Reason (R) type questions. Two statements are given — one…

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3. Q3 2026

   Two heaters rated as $(P_1, V)$ and $(P_2, V)$ are connected in series across a dc source of $\frac{V}{2}$…

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4. Q4 2026

   Assertion (A) : Two electric heaters of power $P_1$ and $P_2(>P_1)$ are joined in series across a dc source…

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5. Q5 2026

   A heating element using nichrome is connected to a 220 V supply. Initially it draws a current of 2.9 A. After…

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6. Q8 2025

   Two batteries of emf's 3V & 6V and internal resistances 0.2 $\Omega$ & 0.4 $\Omega$ are connected in…

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7. Q10 2024

   Consider the circuit shown in the figure. The potential difference between points A and B is… (with a figure)

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8. Q13 2024

   The figure shows a circuit with three ideal batteries. Find the magnitude and direction of currents in the… (with a figure)

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9. Q14 2024

   When the terminals of a cell are connected to a conductor of resistance R, an electric current flows through…

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10. Q19 2023

    A potential difference V is applied across a conductor of length $l$ and uniform cross-section area A. How…

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11. Q22 2023

    A steady current flows through a metallic wire whose area of cross-section (A) increases continuously from… (with a figure)

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12. Q23 2023

    The following figure shows a circuit diagram. We can find the currents through and potential differences… (with a figure)

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