By John Bird BSc (Hons) CEng CMath CSci FIET MIEE FIIE FIMA FCollT
This ebook is written for the 6,000 BTEC nationwide Engineering scholars who stick with pathway every one year. The direction has a new syllabus for 2010 and electric and digital rules and know-how has been absolutely up-to-date to mirror those adjustments. during this 4th version, John fowl introduces electric rules and expertise via examples instead of concept overlaying - allowing point 3 scholars to strengthen a legitimate realizing of the foundations wanted for careers in electric engineering, electronics and telecommunications. The publication comprises quite a few labored difficulties, multiple-choice and short-answer questions, routines and revision exams and is supported with unfastened on-line instructor's and suggestions manuals. Matched to the newest 2010 BTEC Engineering syllabusStudent-friendly procedure with various labored difficulties, multiple-choice and short-answer questions, routines and revision testsIn color and supported with loose on-line instructor's and recommendations manuals
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Additional resources for Electrical and Electronic Principles and Technology, Fourth Edition
8 k ± 1% Problem 20. Determine the value of a resistor marked as 4M7M. 7 M ± 20% Problem 21. Determine the letter and digit code for a resistor having a value of 68 k ±10%. 2, 68 k ±10% has a letter and digit code of: 68 KK indicates (b) Letter and digit code for resistors Problem 19. Determine the value of a resistor marked as 6K8F. 27 Now try the following exercises Exercise 13 Further problems on resistor colour coding and ohmic values 1. Determine the value and tolerance of a resistor having a colour coding of: blue-greyorange-red [68 k ± 2%] 2.
A substance producing cancerous growth), can cause liver and lung disease. Mercury can cause damage to the human brain, spinal system, kidneys and liver. Sulphuric acid in lead acid batteries can cause severe skin burns or irritation upon contact. It is increasingly important to correctly dispose of all types of batteries. 2 lists types of batteries, their common uses, their hazardous components and disposal recycling options. Battery disposal has become more regulated since the Landfill Regulations 2002 and Hazardous Waste Regulations 2005.
Resistance and must be connected . . with the load’ 13. State the unit of electrical power. State three formulae used to calculate power 14. State two units used for electrical energy 15. State the three main effects of an electric current and give two examples of each 16. What is the function of a fuse in an electrical circuit? Exercise 10 Multi-choice problems on the introduction to electric circuits (Answers on page 420) 2. 4. 5. 9. 25 W (c) 80 W (b) 20 W (d) 100 W 6. Which of the following statements is true?
Electrical and Electronic Principles and Technology, Fourth Edition by John Bird BSc (Hons) CEng CMath CSci FIET MIEE FIIE FIMA FCollT