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ELECTRIC FIELDS

CONTENT

  1. Production of Continuous Charges
  2. Types of Cells
  3. Electric Circuit Series and Parallel Arrangement of Cells and Resistors
  4. Shunts and Multipliers
  5. Resistivity and Conductivity
  6. The Wheatstone Bridge
  7. The Metre Bridge
  8. The Potentiometer
  9. Merits of the Potentiometer Over the Voltmeter
  10. Electric Force between Two Points Charges (Coulomb’s Law of Electrostatic Force)
  11. Electric Field Intensity or Strength ε
  12. Electric Potential VE

 

Production of Continuous Charges

Continuous charges are also called current (or moving electrons). They are produced by a device called ‘a cell’.

 

Types of Cells

There are two types of cells. Namely:

A. Primary cells

B. Secondary cells.

A. Primary cells:

These are cells that cannot be recharged once they run down. E.g. torch batteries, calculator batteries, leclanche cell, Daniel cell. The components of the cell are shown below:

However, primary cells have two defects.

Lesson tags: Physics Lesson Notes, Physics Objective Questions, SS3 Physics, SS3 Physics Evaluation Questions, SS3 Physics Evaluation Questions First Term, SS3 Physics First Term, SS3 Physics Objective Questions, SS3 Physics Objective Questions First Term
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