Basic Electricity 2, WASSCE (SC), 2018

Question 2

 

  1. Draw a sinusoidal waveform and indicate the following:
  2. maximum value;
  3. peak-to-peak value;
  4. a cycle.
  5. A 415 V/240 V single-phase transformer has a rated primary current of 200 A. If the efficiency of the transformer is 95%. Calculate its secondary current.
State two types of power generating stations

 

Observation

 The expected answers were;