Applied Science, Electrical Principles 1 And Electronics

(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

two methods of reducing effect of noise to a person in a poisy workshop. (2 marks)craft1 electrical June/July 2020

An inclined plane has a velocity ratio of 2 and efficiency of 95%. It is used to raise a load of 400 N. Determine the: i. mechanical advantage; ii. effort required. (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

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

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

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

Define harmonic distortion with reference to audio amplifiers.(2 marks)craft1 electrical June/July 2020

List two properties of primary cells: (2 marks)craft1 electrical June/July 2020

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