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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. ...
Explain the term filter network.(2 marks)craft1 electrical June/July 2020
one application of polarized light in electronics.(1 marks)craft1 electrical June/July 2020
State two practical applications of heating effect of electric current.(2 marks)craft1 electrical June/July 2020
Outline three areas of applications of filter networks.(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 electrical appliance is rated 2 kW and it is operated for 30 minutes. Determine the amount of heat produced. (3 marks)craft1 electrical June/July 2020
Differentiate between N-type and P-type semiconductors.(4 marks)craft1 electrical June/July 2020
An industrial electric boiler rated at 4 kW contains 612 kg of water at 80°C. To adjust boiler level to safe value, 78 kg of water at 26°C was added. Determine the: (i) new temperature of water in the boiler; (ii) ...
State two; disadvantages of series connection of electric loads.(2 marks)craft1 electrical June/July 2020
