Traditionally, the basis of overhead absorption was the number of labour hours expected within the budget period
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Question:
1. Which material is suitable for making standard resistors?
2. State the unit of temperature coefficient of resistance (α)?
3. What happens to the resistivity and conductivity of a metal when its temperature is increased
4. Nichrome has weak temperature dependence values with resistivity, explain
5. How does temperature affect the resistivity of semiconductors and insulators
6. The resistivity of a given element decreases with temperature and its coefficient of resistivity is negative. Identify the element
7. Explain why alloys are used tomake standard resistors
8. State the SI unit of electrical energy
9. Calculate the number of joules in 1KWh
10. If a bulb of 100W gives light for 5 hrs, calculate number of electricity units used.
Related Book For
Cost Management Measuring Monitoring And Motivating Performance
ISBN: 9781118168875
2nd Canadian Edition
Authors: Leslie G. Eldenburg, Susan Wolcott, Liang Hsuan Chen, Gail Cook
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