Physics Review Question Unit: Mechanics Year: 1988 Question#: 27 Question: Which is a vector quantity? (1 ) electric charge (2 ) electric field intensity (3 ) electric power (4 ) electrical energy What is this question really asking? Explanation by: Melissa H. [ Return to question menu ] Answer 1 electric charge Incorrect This answer is incorrect because it doesn't have direction. return to top Answer 2 electric field intensity correct This answer is correct because electricfield intensity has both magnitude and direction, which is the definition of a vector quantity. return to top Answer 3 electric power Incorrect This answer is incorrect because electrical power only has magnitude. It doesn't have direction. If it was a vector quantity, it would have both magnitude and direction. return to top Answer 4 electrical energy Incorrect This answer is incorrect because electrical energy only has magnitude. It doesn't have direction. If it was a vector quantity, it would have both magitude and direction. return to top What's this question really asking? This question is asking if you know the definition of a vector quantity and how to recognize one. return to top |
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