Applied Science, Electrical Principles 1 And Electronics

Explain each of the following terms as used in cable size calculations: (i) ambient temperature; (ii) voltage drop. (4 marks)craft1 electrical June/July 2020

Outline the procedure of testing P-N junction diode for defects.(4 marks)craft1 electrical June/July 2020

(i) Define each of the following as used in simple machine: i. mechanical advantage; ii. velocity ration; iii. efficiency.(3 marks)craft1 electrical June/July 2020

A fluorescent lamp tube is filled with a gas containing a mixture of mercury vapour and an inert gas. The gas pressure is 304Pa at 23°C. Determine the gas pressure at 95°C. (4 marks)craft1 electrical June/July 2020

State two advantages of parallel connection of electric loads.(2 marks)craft1 electrical June/July 2020

State any three types of cable joints.craft1 electrical June/July 2020

Outline three areas of applications of filter networks.(3 marks)craft1 electrical June/July 2020

List two: examples of secondary cells (2 marks)craft1 electrical June/July 2020

State two practical applications of heating effect of electric current.(2 marks)craft1 electrical June/July 2020

Define the following terms as used in magnetism: (i) reluctance; (ii) hysteresis. (5 marks)craft1 electrical June/July 2020