Electricity

CBSE Class 10 · Science · 23 past questions

7 of 23 · show all

1. 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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2. Q18 2023

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

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3. 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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4. Q20 2023

   The resistance of a resistor is reduced to half of its initial value. If other parameters of the electrical…

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5. 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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6. Q22 2023

   V – I graph for two conducting wires A and B are as shown. If both wires are of the same length and same… (with a figure)

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7. Q23 2023

   Consider the following electrical circuit diagram in which nine identical resistors of 3 Ω each are connected… (with a figure)

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