Explain the concept of H, B and M (magnetization) in a conductor carrying a current I ! (with pictures and clear description)
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Explain the concept of H, B and M (magnetization) in a conductor carrying a current I ! (with pictures and clear description)
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- Let's lay a large copper wire 1 cm in diameter. A current of 10 A flows through the wire.What is the drift speed of the electrons in the wire?What is the magnetic field at the wire's surface?What magnetic force do the electrons flowing on the wire's surface surface of the wire?The unit of surface current is A/m^2. Select one: True O FalseHow to solve this question
- Consider a long, horizontal Large Wire with current of 10 A running through it. We want to levitate a horizontal, thin, 0.50 m length of wire above it. If the thin wire has a mass of 10 grams, and a current of 300 mA, how far above the Large Wire will it hover (net force of zero) due to magnetic and gravitational forces? A. If the thin wire hovers above the Large Wire due to their magnetic fields, are their currents going the same direction, or opposite directions. Explain. B. Draw a diagram and label the directions of currents, and all other relevant quantities and vectors. C. Find the distance above the Large Wire the small thin wire will hover (net force of zero). D. Would your answers to parts A and C change if we wanted to find a distance below (rather than above) the Large Wire that the smaller thin wire could hover, due to their magnetic fields. Explain. Don't calculate any values but draw a new diagram and explain how this situation compares to the problem above.The current flowing through the conductor creates a magnetic field as shown. In what direction does the conventional current flow? Towards the end of the wire labelled "X" Towards the end of the wire labelled "Y"A wire carrying a 30-A current passes between the poles of a strong magnet that is perpendicular to its field and experiences a 2.16-N force on the 4 cm of wire in the field. What is the average field strength? B T