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.
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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.

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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.

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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.
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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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