An electrical component is connected across...

Question 1 / 205eccefa3bacbc34ba4d480c9

Question 1 of 205eccefa3bacbc34ba4d480c9

An electrical component is connected across a 120-volt 60 hertz AC supply. What is the current drawn by the component if the impedance is 200 ohms?

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Question 1 of 20

5eccefa3bacbc34ba4d480c9

An electrical component is connected across a 120-volt 60 hertz AC supply. What is the current drawn by the component if the impedance is 200 ohms?

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🔍 Key Concepts

• Ohm’s Law for AC circuits using impedance: I = V / Z • Difference between impedance (Z) and resistance (R) • Unit relationships: volts (V), ohms (Ω), amperes (A)

💭 Think About

• If you know the voltage across a component and its impedance, how can you relate these to find the current? • What happens to the current when impedance increases, if the voltage stays the same? • Roughly, is the current likely to be a very small fraction of an ampere, less than an ampere, or extremely large for a 120 V circuit with 200 Ω impedance?

✅ Before You Answer

• Be sure you are using impedance (Z) in ohms directly in the current formula, not power or frequency. • Carefully divide 120 volts by 200 ohms and check your decimal placement. • Confirm that your final answer’s order of magnitude makes sense for household-level voltage and a 200 Ω load.

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Question 1 of 20

An electrical component is connected across a 120-volt 60 hertz AC supply. What is the current drawn by the component if the impedance is 200 ohms?

0.01 amperes

0.60 amperes

1.67 amperes

100 amperes

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Question 1 / 205eccefa3bacbc34ba4d480c9

Question 1 of 205eccefa3bacbc34ba4d480c9

An electrical component is connected across a 120-volt 60 hertz AC supply. What is the current drawn by the component if the impedance is 200 ohms?

Back

Question 1 of 20

5eccefa3bacbc34ba4d480c9

An electrical component is connected across a 120-volt 60 hertz AC supply. What is the current drawn by the component if the impedance is 200 ohms?

No comments yet

Be the first to share your thoughts!

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

🔍 Key Concepts

• Ohm’s Law for AC circuits using impedance: I = V / Z • Difference between impedance (Z) and resistance (R) • Unit relationships: volts (V), ohms (Ω), amperes (A)

💭 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