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10th Standard English Medium Science Subject Electricity Book Back 4 Mark Questions with Solution Part - I Question Bank Software Jun-12 , 2021

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10th Standard English Medium Science Subject Electricity Book Back 4 Mark Questions with Solution Part - I

10th Standard English Medium Science Subject Electricity Book Back 4 Mark Questions with Solution Part - I

10th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 4 = 20

  1. Define electric potential and potential difference.

  2. What is the role of the earth wire in domestic circuits?

  3. Distinguish between the resistivity and conductivity of a conductor.

  4. An electric iron consumes energy at the rate of 420 W when heating is at the maximum rate and 180 W when heating is at the minimum rate. The applied voltage is 220 V. What is the current in each case?

  5. A torch bulb is rated at 3 V and 600 mA. Calculate it’s
    a) power
    b) resistance
    c) energy consumed if it is used for 4 hour.

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