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An electric doorbell uses an electromagnet to pull on a steel hammer that rings the bell. The electromagnet has inductance 65.0 mH and resistance 6.36 N Part A (meaning you can treat it as an LR circuit with the inductance in series with the resistance). It operates from a 6.00-V source. How long does it take for the current in the electromagnet to reach 0.650 A? Express your answer with the appropriate units. HA t = Value Units Submit Request Answer

An electric doorbell uses an electromagnet to pull on a steel hammer that rings the bell. The electromagnet has inductance 65.0 mH and resistance 6.36 N Part A (meaning you can treat it as an LR circuit with the inductance in series with the resistance). It operates from a 6.00-V source. How long does it take for the current in the electromagnet to reach 0.650 A? Express your answer with the appropriate units. HA t = Value Units Submit Request Answer

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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### Understanding LR Circuits in Doorbells **Overview:** An electric doorbell operates using an electromagnet to pull on a steel hammer, which strikes the bell. **Components:** - **Electromagnet Specifications:** - Inductance: \(65.0 \, \text{mH}\) - Resistance: \(6.36 \, \Omega\) - **Power Source:** - Voltage: \(6.00 \, \text{V}\) **Circuit Analysis:** The circuit can be analyzed as an **LR circuit**, comprising an inductance in series with resistance. **Problem Statement:** Determine the time required for the current in the electromagnet to reach \(0.650 \, \text{A}\). **Instructions:** - Enter your answer in the provided fields with the appropriate units. **Interface Elements:** - Answer field for time (\(t\)) value input. - Units selection dropdown. - Submit button for answer submission. - Additional request for answer assistance if needed. **Note:** Apply the natural response formula for LR circuits to solve for time.
Transcribed Image Text:### Understanding LR Circuits in Doorbells **Overview:** An electric doorbell operates using an electromagnet to pull on a steel hammer, which strikes the bell. **Components:** - **Electromagnet Specifications:** - Inductance: \(65.0 \, \text{mH}\) - Resistance: \(6.36 \, \Omega\) - **Power Source:** - Voltage: \(6.00 \, \text{V}\) **Circuit Analysis:** The circuit can be analyzed as an **LR circuit**, comprising an inductance in series with resistance. **Problem Statement:** Determine the time required for the current in the electromagnet to reach \(0.650 \, \text{A}\). **Instructions:** - Enter your answer in the provided fields with the appropriate units. **Interface Elements:** - Answer field for time (\(t\)) value input. - Units selection dropdown. - Submit button for answer submission. - Additional request for answer assistance if needed. **Note:** Apply the natural response formula for LR circuits to solve for time.
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