(b) (iii) Engineers are responsible for ensuring that equipment and fixed installation systems conform with Electromagne

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B Iii Engineers Are Responsible For Ensuring That Equipment And Fixed Installation Systems Conform With Electromagne 1 (47.84 KiB) Viewed 21 times

(b) (iii) Engineers are responsible for ensuring that equipment and fixed installation systems conform with Electromagnetic Compatibility (EMC) regulations in the specified environment. The International Electrotechnical Commission (IEC) has just released a new standard, and British Standard has embraced it (BSI). However, the Official Journal of the European Union (OJEU) continues to use the previously withdrawn standard from IEC. (6 marks) Most electronic circuits nowadays operate at high frequency. Hence, studying the behavior of circuit elements when frequency increases to ensure its operation works as designed is essential. (i) What happens to the resistance of conductors when the frequency increases? Briefly explain why. (4 marks) Explain what happened to the wire conductor as frequency increases. Relate your explanation to the skin effect (8). (4 marks)