Current Electricity

Bihar Board Class 12 · Physics · 60 past questions

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1. Q10 2025 Set D

   Kilowatt-hour (kWh) is the unit of

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2. Q11 2025 Set D

   The relation between drift velocity $v$ of free electrons in conductor in electric conduction and potential…

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3. Q12 2025 Set D

   The graph between voltage $V$ of a conductor and current $I$ is a straight line which makes an angle $\theta$…

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4. Q13 2025 Set D

   With the rise in temperature, the resistance of semiconductor

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5. Q14 2025 Set D

   Which of the following represents resistance, $R$? ($\rho$ = resistivity, $l$ = length of a material, $A$ =…

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6. Q15 2025 Set D

   In a series circuit with resistors $R_1$, $R_2$, and $R_3$, the current flowing through each resistor is

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7. Q16 2025 Set D

   The unit of current density is

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8. Q17 2025 Set D

   If the length of a conductor is doubled while keeping the potential difference across it constant, then the…

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9. Q18 2025 Set D2021 Set A

   Power of electric circuit is

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