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Questions and Answers
Which material would be most suitable as a low-resistance ground conductor due to its large cross-sectional area?
Which material would be most suitable as a low-resistance ground conductor due to its large cross-sectional area?
Which of the following materials has a positive temperature coefficient of resistance?
Which of the following materials has a positive temperature coefficient of resistance?
What type of material would have a negative temperature coefficient of resistance?
What type of material would have a negative temperature coefficient of resistance?
What is the function of a thermistor in an electronic device?
What is the function of a thermistor in an electronic device?
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Which material would be most suitable for heating elements due to its composition of nickel and chromium?
Which material would be most suitable for heating elements due to its composition of nickel and chromium?
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What is the unit of measurement for the intensity of charge flow?
What is the unit of measurement for the intensity of charge flow?
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Which type of materials allow charges to pass through them easily?
Which type of materials allow charges to pass through them easily?
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What is the role of conductors in electrical energy conversion?
What is the role of conductors in electrical energy conversion?
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Which type of elements are non conductors in their natural state?
Which type of elements are non conductors in their natural state?
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What type of elements have properties of both metals and nonmetals?
What type of elements have properties of both metals and nonmetals?
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In which type of elements do free electrons allow electricity to flow easily?
In which type of elements do free electrons allow electricity to flow easily?
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Which type of materials are capable of behaving as either a conductor or an insulator under specific conditions?
Which type of materials are capable of behaving as either a conductor or an insulator under specific conditions?
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If a conductor 100 m long and made of platinum has a resistance of 9.91 ohms, what would be the resistance of a conductor of the same diameter but 200 m long?
If a conductor 100 m long and made of platinum has a resistance of 9.91 ohms, what would be the resistance of a conductor of the same diameter but 200 m long?
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Which material listed in Table 2 has the highest resistance per 100m length and 1 mm² cross-sectional area?
Which material listed in Table 2 has the highest resistance per 100m length and 1 mm² cross-sectional area?
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Why is silver used in relay contacts and printed circuit boards despite its rapid oxidation and high cost?
Why is silver used in relay contacts and printed circuit boards despite its rapid oxidation and high cost?
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Which material is suitable for wiring due to its low resistance, low cost, fair resistance to corrosion, and good flexibility?
Which material is suitable for wiring due to its low resistance, low cost, fair resistance to corrosion, and good flexibility?
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Why is gold often used to plate contacts and connectors even though it has higher resistance than copper?
Why is gold often used to plate contacts and connectors even though it has higher resistance than copper?
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Which material is practical for bulb elements due to its properties?
Which material is practical for bulb elements due to its properties?
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