Flux Linking with Aluminium Disk Above a Vertical Current Carrying Rod: AC vs DC

In summary, the conversation discusses whether flux will link with an aluminium disk placed above a vertical current carrying iron rod in ideal situations. The participants mention using the right hand corkscrew rule and question the importance of the current being AC or DC. The conversation is then moved to a different forum for further discussion.
  • #1
jsmith613
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Homework Statement



If an aluminium disk is placed above a COMPLETELY vertical current carrying iron rod will any flux link with the aluminium disk ASSUMING ideal situations

Homework Equations


The Attempt at a Solution


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I think not because the current carrying rod produces a circular field around itself (right hand corkscrew rule) but am not sure...can someone please confirm this :)

also, why is it important if the current is AC or DC?
 
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  • #2

1. What is Flux Linking with Aluminium Disk Above a Vertical Current Carrying Rod?

Flux linking with aluminium disk above a vertical current carrying rod is a phenomenon in which the magnetic field generated by a current-carrying rod passes through an aluminium disk above it, causing the disk to experience a force. This is based on Faraday's law of electromagnetic induction.

2. How does the flux linking differ between AC and DC current?

The flux linking with aluminium disk above a vertical current carrying rod differs between AC and DC current in terms of the direction and strength of the induced current in the disk. In AC current, the direction of the induced current changes constantly, while in DC current, the direction of the induced current remains constant. Additionally, the strength of the induced current is higher in AC current compared to DC current.

3. What factors affect the flux linking with aluminium disk above a vertical current carrying rod?

The factors that affect the flux linking with aluminium disk above a vertical current carrying rod include the strength of the current in the rod, the distance between the rod and the disk, the conductivity and thickness of the disk, and the frequency of the current.

4. How is this phenomenon useful in practical applications?

This phenomenon is useful in various practical applications, such as in electric motors, generators, and transformers. It allows for the conversion of electrical energy to mechanical energy and vice versa. It is also used in induction heating and magnetic levitation systems.

5. Are there any safety concerns associated with flux linking with aluminium disk above a vertical current carrying rod?

Yes, there can be safety concerns involved when working with high currents and strong magnetic fields. The induced currents in the aluminium disk can cause it to heat up, which can be a fire hazard. It is important to follow proper safety precautions and use appropriate protective gear when conducting experiments involving this phenomenon.

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