Will Current Flow Through a Rotating Copper Wire Loop in a Magnetic Field?

In summary, the question is whether current will flow through a copper wire loop when it is rotated from having full flux to no flux in a uniform magnetic field. The solution attempts to find a direction for the induced current but is unable to do so.
  • #1
oakles
1
0

Homework Statement


A copper wire loop is initially at rest in a uniform magnetic field (full flux going through it). Between times t=t1 and t=t1+(delta)t the loop is rotated about a vertical axis as shown (no flux going through it). Will current flow through the wire of the loop during this time interval? If so, indicate the direction of the induced current and explain your reasoning.


Homework Equations


Lenz's Law


The Attempt at a Solution


Well, since the loop goes from having flux to having no flux at all I would have assumed there'd be an induced current. However, I can't seem to find a direction of current that would counteract this change in flux. So in that sense would there be no current induced at all?
 
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  • #2
oakles said:
Between times t=t1 and t=t1+(delta)t the loop is rotated about a vertical axis as shown (no flux going through it).

Where? It seems you forgot to include the diagram.
 

FAQ: Will Current Flow Through a Rotating Copper Wire Loop in a Magnetic Field?

1. What is Lenz's Law for a Rotating Loop?

Lenz's Law for a Rotating Loop is a law of electromagnetism that describes the direction and magnitude of the induced current in a rotating loop of wire. It states that the direction of the induced current will be such that it opposes the change in magnetic flux through the loop.

2. How does Lenz's Law apply to a rotating loop?

When a rotating loop of wire is placed in a changing magnetic field, it experiences an induced emf (electromotive force) and a resulting induced current. This is in accordance with Lenz's Law, which states that the induced current will flow in a direction that opposes the change in magnetic flux through the loop.

3. What is the significance of Lenz's Law for a Rotating Loop?

Lenz's Law for a Rotating Loop is important because it helps to explain the behavior of induced currents in rotating loops and other electrical devices. It also has practical applications in the design and functioning of electric motors and generators.

4. How does Lenz's Law impact the rotation of a loop?

Lenz's Law has a direct impact on the rotation of a loop by creating a force that opposes the motion of the loop. This is because the induced current in the loop creates its own magnetic field, which interacts with the original magnetic field and produces a force that opposes the rotation.

5. Can Lenz's Law be applied to other electrical devices?

Yes, Lenz's Law can be applied to other electrical devices, such as transformers, generators, and electric motors. It helps to explain the behavior of induced currents and their effects on the functioning of these devices.

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