Electricity 2 Mark Book Back Question Paper With Answer Key

10th Standard

    Reg.No. :
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Science

Time : 00:20:00 Hrs
Total Marks : 8

     2 Marks

    4 x 2 = 8
  1. Define the unit of current.

  2. What happens to the resistance, as the conductor is made thicker?

  3. Why is tungsten metal used in bulbs, but not in fuse wires?

  4. Name any two devices, which are working on the heating effect of the electric current.

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