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SS3: PHYSICS - 2ND TERM

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  1. Magnetic Field | Week 1
    4 Topics
  2. Electromagnetic Field
    4 Topics
  3. Electromagnetic Induction
    6 Topics
  4. The Transformer
    5 Topics
  5. Simple A.C Circuit
    4 Topics
  6. Models of the Atom
    2 Topics
  7. Radioactivity
    3 Topics
  8. Half Life
    8 Topics
  9. Energy Quantization
    3 Topics
  10. Photoelectric Effect
    4 Topics
  11. Wave Particle Paradox
    3 Topics



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Lesson 4, Topic 2
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Step Up & Step Down transformers

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When the number of turns in the primary coil is less than the number of turns in the secondary coil, it is called a step up transformer i.e.Ns > Np , the secondary voltage is more than the primary voltage 

Screen Shot 2020 10 29 at 6.03.01 PM

Step Down

The number of turns in the secondary coil is less than the number of turns in the transformer.  \( \frac{N_s}{N_p} \)The secondary voltage is less than the primary voltage (Vp )

Screen Shot 2020 10 29 at 6.03.13 PM

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