As shown in figure "B" of the illustration,...

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Question 1 of 205eccefa4bacbc34ba4d480e7

As shown in figure "B" of the illustration, for the illustrated AC electrical system power triangle, which value represents the power factor for the system? See illustration EL-0105.

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Question 1 of 20

5eccefa4bacbc34ba4d480e7

As shown in figure "B" of the illustration, for the illustrated AC electrical system power triangle, which value represents the power factor for the system? See illustration EL-0105.

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🔍 Key Concepts

• Power triangle relationship among kW (true power), kvar (reactive power), and kVA (apparent power) • Definition of power factor in terms of phase angle between voltage and current • How cosine of the phase angle relates the adjacent and hypotenuse sides of a right triangle

💭 Think About

• On the power triangle, which side represents the hypotenuse, which represents the adjacent side, and which is the opposite side to the phase angle? • Power factor is equal to the cosine of the phase angle. In a right triangle, how is cosine defined using the adjacent and hypotenuse? • Match the electrical quantities (kW, kvar, kVA) to adjacent, opposite, and hypotenuse. Then translate the cosine definition into a ratio of these units.

✅ Before You Answer

• Be clear which quantity is true power and which is apparent power in the illustration • Confirm which triangle sides correspond to kW, kvar, and kVA before forming any ratio • Verify that your final ratio uses the same order as the trigonometric definition of cosine = adjacent / hypotenuse

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Question 1 of 205eccefa4bacbc34ba4d480e7

As shown in figure "B" of the illustration, for the illustrated AC electrical system power triangle, which value represents the power factor for the system? See illustration EL-0105.

Back

Question 1 of 20

5eccefa4bacbc34ba4d480e7

As shown in figure "B" of the illustration, for the illustrated AC electrical system power triangle, which value represents the power factor for the system? See illustration EL-0105.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed