Part of the solutions for electrical maintenance and repair.
Four service methods that can be used to detect faults in electronics equipment. ( 2 marks)
Find the value of a resistor with the following code.
1st band → brown
2nd band → black
3rd band → orange
4th band → silver
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Solution V1 = 440v, V2= 110V, no load current = 5A, p.f = 0.9Cos theta = 0.9, theta = cos^-1
The three principles of electromagnetic machines are; → induction → interaction → Alignment Principle of Induction in electrical machine PRINCIPLE
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A series circuit having R= 40 ohm, and inductance of 0.3H suddenly connected across a 150V supply through a switch.
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1 PIN TYPE INSULATOR: Are made in piece up to 25KV and above for up to 50KV only. You can add up the voltage by adding one more piece, they become uneconomical for higher voltage
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