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10th Standard English Medium Science Subject Electricity Book Back 7 Mark Questions with Solution Part - II Question Bank Software Jun-12 , 2021

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10th Standard English Medium Science Subject Electricity Book Back 7 Mark Questions with Solution Part - II

10th Standard English Medium Science Subject Electricity Book Back 7 Mark Questions with Solution Part - II

10th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 35

  1. a) What is meant by electric current?
    b) Name and define its unit.
    c) Which instrument is used to measure the electric current? How should it be connected in a circuit?

  2. Explain about domestic electric circuits. (circuit diagram not required)

  3. Two resistors when connected in parallel give the resultant resistance of 2 ohm; but when connected in series the effective resistance becomes 9 ohm. Calculate the value of each resistance.

  4. A piece of wire of resistance 10 ohm is drawn out so that its length is increased to three times its original length. Calculate the new resistance.

  5. Calculate the current and the resistance of a 100 W, 200 V electric bulb in an electric circuit.

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