Equilibrium question about charges.

In summary, "equilibrium" refers to the state in which there is no net flow of mobile charged particles inside a conductor. This means that the net electric field is zero at any location inside the conductor. For a block of aluminum, iron, or copper to be in equilibrium, the net electric field inside must be zero. If there is a non-zero net electric field at a specific location inside a piece of metal, then the metal is not in equilibrium. Additionally, the electric field from an external charge cannot penetrate to the center of a block of iron.
  • #1
thatoneguy123
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Which of the following are true? "Equilibrium" means that no charges are flowing.

A. The net electric field inside a block of aluminum is zero under all circumstances.

B. The electric field from an external charge cannot penetrate to the center of a block of iron.

C. In equilibrium, there is no net flow of mobile charged particles inside a conductor.

D. If the net electric field at a particular location inside a piece of metal is not zero, the metal is not in equilibrium.

E. The net electric field at any location inside a block of copper is zero if the copper block is in equilibrium.
 
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  • #2
C. In equilibrium, there is no net flow of mobile charged particles inside a conductor.E. The net electric field at any location inside a block of copper is zero if the copper block is in equilibrium.
 

1. What is equilibrium in terms of charges?

Equilibrium in terms of charges refers to a state where the electrical charges in a system are balanced and there is no net flow of charge from one point to another. This can occur in both static and dynamic systems.

2. How is equilibrium achieved in a system with charges?

Equilibrium can be achieved in a system with charges through the redistribution of charges or the creation of an electric field that counteracts any external forces acting on the system. This can occur through processes such as diffusion, conduction, and induction.

3. What is the difference between static and dynamic equilibrium?

Static equilibrium refers to a state where the charges in a system are stationary and there is no net movement. Dynamic equilibrium, on the other hand, occurs when there is a constant flow of charges in opposite directions, resulting in a balanced overall effect.

4. How does the concept of equilibrium apply to electrical circuits?

In electrical circuits, equilibrium is achieved when the voltage and current are balanced throughout the circuit. This ensures that there is no buildup or depletion of charges in any particular part of the circuit, allowing for a steady flow of electricity.

5. Can equilibrium be broken in a system with charges?

Yes, equilibrium in a system with charges can be broken by introducing external forces or changing the conditions of the system. This can result in a net movement of charges, causing the system to become imbalanced and potentially leading to changes in voltage, current, or other electrical properties.

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