When the current sine wave in a circuit...

Question 1 / 20Bavje3DCK2n9CtMtFhg0

Question 1 of 20Bavje3DCK2n9CtMtFhg0

When the current sine wave in a circuit reaches its peak value before the voltage wave:

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Question 1 of 20

Bavje3DCK2n9CtMtFhg0

When the current sine wave in a circuit reaches its peak value before the voltage wave:

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🔍 Key Concepts

• AC phase relationships between voltage and current • Meaning of leading vs lagging power factor • How current and voltage waveforms line up on a sine wave/time graph

💭 Think About

• Sketch or imagine two sine waves on the same time axis: one for voltage and one for current. Which one reaches its peak first in time in this question? • In power systems, we usually describe the power factor of the load by comparing current to voltage. When current peaks earlier than voltage, how do we describe the current relative to the voltage? • Think about inductive vs capacitive loads. For which type does current peak before voltage, and what word (leading or lagging) is associated with that condition?

✅ Before You Answer

• Be clear which quantity is the reference: we typically describe current’s phase angle relative to voltage. • Confirm whether "leading" or "lagging" describes a waveform that reaches its peak earlier in time on the horizontal axis. • Eliminate the choice that would only apply when the two sine waves peak at exactly the same time.

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Question 1 of 20

When the current sine wave in a circuit reaches its peak value before the voltage wave:

It is said to have a leading power factor

It is said to have a lagging power factor

It is said to be in phase

None of the above

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Question 1 / 20Bavje3DCK2n9CtMtFhg0

Question 1 of 20Bavje3DCK2n9CtMtFhg0

When the current sine wave in a circuit reaches its peak value before the voltage wave:

Back

Question 1 of 20

Bavje3DCK2n9CtMtFhg0

When the current sine wave in a circuit reaches its peak value before the voltage wave:

No comments yet

Be the first to share your thoughts!

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

🔍 Key Concepts

• AC phase relationships between voltage and current • Meaning of leading vs lagging power factor • How current and voltage waveforms line up on a sine wave/time graph

💭 Think About

✅ Before You Answer

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

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