27. Resistors & DC Circuits
Combining Resistors in Series & Parallel
2:23 minutes
Problem 26j
Textbook Question
Textbook QuestionPower Rating of a Resistor. The power rating of a resistor is the maximum power the resistor can safely dissipate without too great a rise in temperature and hence damage to the resistor. (b) A 9.0-kΩ resistor is to be connected across a 120-V potential difference. What power rating is required?
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