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JSS3: BASIC SCIENCE - 2ND TERM

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  1. Light Energy | Week 1
    2 Topics
  2. Reflection of Light | Week 2
    5 Topics
    |
    1 Quiz
  3. Sound Energy | Week 3
    4 Topics
  4. Sound Energy - Echoes, Hearing | Week 4
    2 Topics
    |
    1 Quiz
  5. Electrical Energy - Concept of Electrical Flow | Week 5
    2 Topics
  6. Arrangement of Resistors | Week 6
    3 Topics
  7. Electrical Meter Reading and Billing | Week 7
    2 Topics
    |
    1 Quiz
  8. Magnetism | Week 8
    2 Topics
  9. Laws of Magnetism | Week 9
    4 Topics
    |
    1 Quiz
  10. Radioactivity | Week 10
    5 Topics
    |
    1 Quiz



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Resistors are said to be parallel if they are placed side by side with their ends joined together in such a way that the potential difference across each resistors is the same but the current in each resistor is not the same.

Let’s say that the light bulbs (resistors) from the previous topic are now connected together in parallel. A single charge passing through the external circuit would only pass through one of the light bulbs. The light bulbs are placed within a separate branch line.

The total resistance of the resistor is given by the formula;

\( \frac{1}{R} = \frac{1}{R_1} + \frac{1}{R_2} + \frac{1}{R_3} \)

Resistors in Parallel
Resistors in Parallel.

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