All Questions
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How different is the induced magnetic field of a coil with a solid rod core and a sheet-wrapped one? (Assuming both use the same material)
I'm doing research for a university project and looking for commercial references for Mu metal, I found out that in my country at P2B (particular to business) level, sheets are significantly easier to ...
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Magnet falling through a coil that does not form a circuit. Am I wrong or is the mark scheme?
So either this past paper is wrong or my ideas about induction have a problem.
The old exam I am doing asks what happens when you drop a magnet through a coil connected to an Amperemeter, and then ...
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2
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Explanation of force amplification inside a solenoid
For a system being actuated by a motor, the force can be amplified by gearing. The energy is being used for force instead of distance, so it produces more torque but moves slower.
For a system being ...
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