What is the total resistance of a parallel...

Question 1 / 20lR4Ufy2xl6tKL5GQEGzd

Question 1 of 20lR4Ufy2xl6tKL5GQEGzd

What is the total resistance of a parallel circuit consisting of a 10 ohm branch and a 25 ohm branch?

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Question 1 of 20

lR4Ufy2xl6tKL5GQEGzd

Q

What is the total resistance of a parallel circuit consisting of a 10 ohm branch and a 25 ohm branch?

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🔍 Key Concepts

• Parallel circuit resistance formula (how total resistance compares to each branch) • Using reciprocals (1/R) to combine parallel resistances • Checking if your final answer is less than the smallest branch resistance

💭 Think About

• How do you write the equation that relates 1/R_total to 1/R_1 and 1/R_2 for a parallel circuit? • Once you compute 1/R_total, what must you do to get R_total itself? • Is your final R_total smaller than 10 ohms (the smallest branch)? If not, what does that tell you about your math?

✅ Before You Answer

• Write and use the formula: 1/R_total = 1/R1 + 1/R2 for parallel branches • Carefully calculate 1/10 and 1/25, then add them before inverting the sum • Verify the final result is numerically less than 10 ohms but greater than 0 ohms

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Question 1 of 20

Q

What is the total resistance of a parallel circuit consisting of a 10 ohm branch and a 25 ohm branch?

A

@ ohms

B

10.3 ohms

C

7.0 ohms

D

7.14 ohms

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Question 1 / 20lR4Ufy2xl6tKL5GQEGzd

Question 1 of 20lR4Ufy2xl6tKL5GQEGzd

What is the total resistance of a parallel circuit consisting of a 10 ohm branch and a 25 ohm branch?

Back

Question 1 of 20

lR4Ufy2xl6tKL5GQEGzd

Q

What is the total resistance of a parallel circuit consisting of a 10 ohm branch and a 25 ohm branch?

No comments yet

Be the first to share your thoughts!

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

🔍 Key Concepts

• Parallel circuit resistance formula (how total resistance compares to each branch) • Using reciprocals (1/R) to combine parallel resistances • Checking if your final answer is less than the smallest branch resistance

💭 Think About

• How do you write the equation that relates 1/R_total to 1/R_1 and 1/R_2 for a parallel circuit? • Once you compute 1/R_total, what must you do to get R_total itself? • Is your final R_total smaller than 10 ohms (the smallest branch)? If not, what does that tell you about your math?

✅ Before You Answer

• Write and use the formula: 1/R_total = 1/R1 + 1/R2 for parallel branches • Carefully calculate 1/10 and 1/25, then add them before inverting the sum • Verify the final result is numerically less than 10 ohms but greater than 0 ohms

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

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— No credit card needed