If the voltage and the current developed in...

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Question 1 of 2066636eed28f7522a1c51dd68

If the voltage and the current developed in an AC circuit reach their peak values at the same time (with a phase angle difference of zero), how would the power factor be characterized?

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Question 1 of 20

66636eed28f7522a1c51dd68

If the voltage and the current developed in an AC circuit reach their peak values at the same time (with a phase angle difference of zero), how would the power factor be characterized?

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🔍 Key Concepts

• Phase angle between voltage and current in AC circuits • Definition of power factor as it relates to that phase angle • Difference between leading/lagging and magnitude of power factor

💭 Think About

• What does it mean physically when voltage and current waveforms reach their maximum values at exactly the same time? What does that say about the phase angle? • How is power factor defined mathematically in terms of the cosine of the phase angle between voltage and current? • When people say power factor is "leading" or "lagging," what additional information (besides magnitude) are they describing?

✅ Before You Answer

• Verify that power factor magnitude is between 0 and 1 for normal AC circuits delivering power • Check the special case when the phase angle is zero degrees: what does the cosine of 0° equal? • Confirm that leading/lagging describes whether current is ahead of or behind voltage, not the basic size of the power factor itself

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Question 1 of 2066636eed28f7522a1c51dd68

If the voltage and the current developed in an AC circuit reach their peak values at the same time (with a phase angle difference of zero), how would the power factor be characterized?

Back

Question 1 of 20

66636eed28f7522a1c51dd68

If the voltage and the current developed in an AC circuit reach their peak values at the same time (with a phase angle difference of zero), how would the power factor be characterized?

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