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| 6. What is the function of a watt-hour meter register? What two types are commonly used and what is the difference between them? |

| 7. What is a demand meter? A demand watt-hour meter? How do they operate? |

| 8. What means may be employed to measure values beyond the range of an instrument for current? For voltage? What precautions should be taken in their employment? |

| 9. Name three methods of measuring the resistance of a circuit or a circuit element. What are the differences between them? |

| 10. What are the five basic elements contained in the construction of electrical instruments? Explain their functions. |

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