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Electricity Tes...

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  • Question 1
    1 / -0

    When a constant current is applied for a time of t seconds, how can you increase the heat produced to four times?

  • Question 2
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    A 200 W bulb is lighted for two hours. How much energy is consumed?

  • Question 3
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    Statement A : Light from a bathroom bulb gets dimmer for a moment, when the geyser is switched on.

    Statement B : Insulators conduct charges, they can be charged easily by friction.

  • Question 4
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    When an electric current is passed through a metallic wire, the particles moving are:

  • Question 5
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    Which of the following does not have plus (+) or minus (-) signs marked on it?

  • Question 6
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    By considering their position in the periodic table which one of the following elements would you expect to have maximum metallic characteristic?

  • Question 7
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    What will happen to current passing though a resistor if the potential difference across its ends is doubled and the resistance is halved?

  • Question 8
    1 / -0

    Three resistors are connected in series with the current in each resistor as 1.5 A. The current drawn will be:

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