Basic Electricity 2, WASSCE (SC), 2017

Candidates' Strength

 

A reasonable number of candidates did very well in their answers to the questions on;

  1. Definition of electric power and energy.
  2. Calculation of the Z of a series RC circuit.
  3. Two sources by which a battery can be recharged.
  4. Functions of yokes, poles, commutator and armature.
  5. Listing of four electrical devices common to hydroelectric and gas power generating stations.
  6. Stating of precautions observed during repair of electrical appliances.
  7. List of two instruments that can be used for the repair of faulty electric iron.
  8. Explanation of open circuit.
  9. Measures that can keep an electric blender in good working condition.