Electricity

CBSE Class 10 · Science · 23 past questions

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1. Q2 2026

   The correct way to connect an ammeter and a voltmeter in an electric circuit is…

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2. Q4 2026

   The values of current $I$ flowing in a given resistor for the corresponding values of potential difference…

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3. Q5 Sample paper 2026-27

   An electrical appliance rated 1000 W is operated at 250 V. What current does it draw?

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4. Q6 Sample paper 2026-27

   Attempt either option A or B.

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5. Q8 2025

   An electric bulb is connected to a power supply of 220 V. If the current drawn by the bulb from the supply is…

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6. Q9 2025

   For Questions number 17 to 20, two statements are given — one labelled as Assertion (A) and the other…

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7. Q12 2025

   An electric kettle is rated 230 V; 1000 W. Calculate the resistance of its heating element when in operation.

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8. Q13 2024

   The maximum resistance of a network of five identical resistors of $\frac{1}{5}\ \Omega$ each can be –

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9. Q17 2023

   If four identical resistors, of resistance 8 ohm, are first connected in series so as to give an effective…

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10. Q18 2023

    In domestic electric circuits the wiring with 15 A current rating is for the electric devices which have

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11. Q19 2023

    Two LED bulbs of 12W and 6W are connected in series. If the current through 12W bulb is 0.06A the current…

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12. Q21 2023

    For verifying Ohm’s law, we design an electric circuit diagram in which we show the arrangement of different…

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