Basic Electronics Paper 2 WASSCE (PC), 2019

Question 2

Figure 1 is the diagram of a series L – C circuit



  1. Derive a formula for the resonance frequency

  2. In Figure 1, if the inductance (L) and capacitance (C) are 2mH and 4µF respectively, calculate the:
    1. resonance frequency;

    2. inductive reactance.

 


Observation

 

According the chief examiner’s report, majority of the candidates that attempted this question responded well.

The expected responses were: