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An az oriented solenoidal coil with 4000 turns per meter has a diameter of 2 cm and is 20 cm long, It is filled with an Iron bai with a HR = 10ªµo of the same size. The iron has a density of 7.87 g/cm. Choose the minimum current that is required to keep the iron bar inside the solenoid in the earth's gravitational field of sos m/sec? az (in other words, so that it will not fallI)?

An az oriented solenoidal coil with 4000 turns per meter has a diameter of 2 cm and is 20 cm long, It is filled with an Iron bai with a HR = 10ªµo of the same size. The iron has a density of 7.87 g/cm. Choose the minimum current that is required to keep the iron bar inside the solenoid in the earth's gravitational field of sos m/sec? az (in other words, so that it will not fallI)?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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**Physics Problem: Solenoidal Coil and Magnetic Force** **Problem Statement:** An \( a_z \) oriented solenoidal coil with 4000 turns per meter has a diameter of 2 cm and is 20 cm long. It is filled with an iron bar with a \( \mu_R = 10^4 \mu_0 \) of the same size. The iron has a density of 7.87 g/cm³. **Question:** Choose the minimum current that is required to keep the iron bar inside the solenoid in the Earth's gravitational field of -9.8 m/sec² \( a_z \) (in other words, so that it will not fall)?
Transcribed Image Text:**Physics Problem: Solenoidal Coil and Magnetic Force** **Problem Statement:** An \( a_z \) oriented solenoidal coil with 4000 turns per meter has a diameter of 2 cm and is 20 cm long. It is filled with an iron bar with a \( \mu_R = 10^4 \mu_0 \) of the same size. The iron has a density of 7.87 g/cm³. **Question:** Choose the minimum current that is required to keep the iron bar inside the solenoid in the Earth's gravitational field of -9.8 m/sec² \( a_z \) (in other words, so that it will not fall)?
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