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SS1: PHYSICS – 3RD TERM

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  1. Production of Electric Current | Week 1
    6 Topics
    |
    1 Quiz
  2. Electric Current | Week 2
    5 Topics
    |
    1 Quiz
  3. Electrical Resistance of a Conductor | Week 3
    5 Topics
    |
    1 Quiz
  4. Particulate Nature of Matter | Week 4
    5 Topics
    |
    1 Quiz
  5. Crystalline and Non-crystalline Substances | Week 5
    3 Topics
    |
    1 Quiz
  6. Elastic Properties of Solids | Week 6 & 7
    4 Topics
    |
    1 Quiz
  7. Fluids at Rest & in Motion | Week 8 & 9
    6 Topics
    |
    1 Quiz
  8. Solar Collector
    3 Topics
    |
    1 Quiz



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There will be no current flow in a circuit that has a fault. If an electric bulb is connected, it will not light up.

Faults can occur if a circuit is interrupted by a failure of a current-carrying wire leading to an open circuit or a blown fuse leading to a short circuit.

Continuity Tester:

A simple tester that is used to detect faults in an electric circuit is called a continuity tester. it is an instrument used to test whether a circuit is continuous or broken at a certain point.

continuity tester
Simple continuity tester.

It can be constructed by connecting an electric bulb and a 1.5 V cell as shown above.

When the ends A and B of the wire are connected, the circuit is complete and the lamp lights up. This shows that the component is good and not faulty, on the other hand, if the bulb does not light up it shows that there is a break in the circuit which means that the component is faulty.

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