When the current through a circular loop is 14 A, the magnetic field at its center is 4 x 10-4 T. What is the radius of the loop? Hint Radius of the loop is 0.46 Question Help: Message instructor Submit Question x cm.

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**Physics Problem: Calculating the Radius of a Circular Loop**

*Problem Statement:*

When the current through a circular loop is 14 A, the magnetic field at its center is \(4 \times 10^{-4}\) T. What is the radius of the loop?

*Input Interface:*

- **Hint Button:** Provides assistance if needed.
  
- **Input Box:** For entering the calculated radius. The answer entered here is 0.46 cm, marked with an error indicator (red 'x'), suggesting the answer is incorrect.

- **Help Option:** Clickable link to "Message instructor" for additional assistance.
  
- **Submission Button:** "Submit Question" for processing the response.

*Navigation Options:*

- **Previous Button:** To revisit the previous page.
  
- **Next Button:** To move to the next question.

*Note:* Use the Biot-Savart Law or Ampère's Law as a formula reference to calculate the magnetic field produced by a current loop. Ensure accuracy in unit conversions and calculations.
Transcribed Image Text:**Physics Problem: Calculating the Radius of a Circular Loop** *Problem Statement:* When the current through a circular loop is 14 A, the magnetic field at its center is \(4 \times 10^{-4}\) T. What is the radius of the loop? *Input Interface:* - **Hint Button:** Provides assistance if needed. - **Input Box:** For entering the calculated radius. The answer entered here is 0.46 cm, marked with an error indicator (red 'x'), suggesting the answer is incorrect. - **Help Option:** Clickable link to "Message instructor" for additional assistance. - **Submission Button:** "Submit Question" for processing the response. *Navigation Options:* - **Previous Button:** To revisit the previous page. - **Next Button:** To move to the next question. *Note:* Use the Biot-Savart Law or Ampère's Law as a formula reference to calculate the magnetic field produced by a current loop. Ensure accuracy in unit conversions and calculations.
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