Applied Science, Electrical Principles 1 And Electronics

State three methods of soldering cable joints.craft1 electrical June/July 2020

An air cored toroidal coil has 3000 turns and carries current 0.1 A. the length of the magnetic circuit is 30 cm and the cross-sectional area of the coil is 4cm^2. Determine the: (i) magnetic field strength; (ii) magnetic flux density. ...

one application of polarized light in electronics.(1 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

Perform each of the following binary arithmetic: i. 1011 x 1101; ii. 11000 —111 (6 marks)craft1 electrical June/July 2020

A technician at a battery manufacturing plant has a liquid bottle labelled “inorganic. acid”. Outline four chemical methods used to verify the properties of the liquid. (4 marks)craft1 electrical June/July 2020

Simply the Boolean expression: Y =(A+B) (A+C)(4 marks)craft1 electrical June/July 2020

State two causes of harmonic distortion in transistor amplifiers.(2 marks)craft1 electrical June/July 2020

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