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Under what conditions can electric and magnetic fields be treated independently, and how does the variation in time play a crucial role in this independence?
Electric and magnetic fields can be treated independently when the sources of the fields are stationary or when the fields are in a vacuum. Time variation is crucial because when the fields change over time, they can interact and influence each other, making it difficult to separate their effects.
What else can I help you with?
What are the boundary conditions in electrostatics?
Boundary conditions in electrostatics refer to the rules that govern the behavior of electric fields at the interface between different materials or regions. These conditions include the continuity of the electric field and the normal component of the electric displacement vector across the boundary. They help determine how electric charges and fields interact at the boundaries of different materials or regions.
Under electrostatic conditions, why is there no electric field inside a solid conductor?
Under electrostatic conditions, there is no electric field inside a solid conductor because the free electrons in the conductor redistribute themselves to cancel out any external electric field, resulting in a net electric field of zero inside the conductor.
Who invented the electric field detector?
Alessandro Volta and Wilhelm Weber independently developed early devices capable of detecting electric fields in the late 18th and early 19th centuries. Their work laid the foundation for the modern electric field detectors used today.
What is the difference between the electric field and the electric force in the context of electromagnetism?
The electric field is a region around a charged object where other charged objects experience a force. The electric force is the actual force experienced by a charged object in an electric field. In summary, the electric field sets up the conditions for the electric force to act on charged objects.
How do parallel circuits work and what are their key characteristics?
Parallel circuits work by providing multiple pathways for the flow of electric current. In a parallel circuit, each component is connected to the power source independently, allowing them to operate independently of each other. The key characteristics of parallel circuits include constant voltage across all components, the ability for components to operate independently, and the total current being equal to the sum of the currents through each component.
What are the boundary conditions in electrostatics?
Boundary conditions in electrostatics refer to the rules that govern the behavior of electric fields at the interface between different materials or regions. These conditions include the continuity of the electric field and the normal component of the electric displacement vector across the boundary. They help determine how electric charges and fields interact at the boundaries of different materials or regions.
Was electrical wholesalers sold to standard electric?
No, CED bought Standard Electric about 5 years ago, allowing it to run independently. Last year, (2007) CED purchased EW, again allowing it to run independently. This may change as there are many cities where they compete directly with each other, in some cases, within a quarter mile or so.
Are range cookers available in gas and electric?
Yes, range cookers are available in either gas or electric. They are availble at a variety of retail location adn at a variation of prices depending on options and brand.
Under electrostatic conditions, why is there no electric field inside a solid conductor?
Under electrostatic conditions, there is no electric field inside a solid conductor because the free electrons in the conductor redistribute themselves to cancel out any external electric field, resulting in a net electric field of zero inside the conductor.
What has the author Paul W Hirt written?
Paul W. Hirt has written: 'The wired Northwest' -- subject(s): Environmental conditions, Electric power distribution, Economic conditions, Energy policy, Electric power, Electric power systems, History 'Terra Pacifica'
Who invented the electric field detector?
Alessandro Volta and Wilhelm Weber independently developed early devices capable of detecting electric fields in the late 18th and early 19th centuries. Their work laid the foundation for the modern electric field detectors used today.
What is a electrcial conductor?
"A substance which allows electric current to pass through it is called a electric conductor". Or, "A substance which has free electrons is called electric conductor." There are some exceptions to these two statements: viz. diodes and triodes, which conduct under special conditions but not under all conditions.
Tell how you know if a wave is electromagnetic in character?
A wave is electromagnetic in character if the wave is produced by the acceleration of an electric charge. Another indication is a wave is electromagnetic if it is propagated by the periodic variation of intensities of, usually, perpendicular electric and magnetic fields.
Substances that conduct an electric current under certain conditions are most likely to be?
metalloids
How much does a car battery weigh in American pounds?
There's a variation in weight of car batteries but most (excluding electric cars) weigh about 40 pounds
What is the difference between the electric field and the electric force in the context of electromagnetism?
The electric field is a region around a charged object where other charged objects experience a force. The electric force is the actual force experienced by a charged object in an electric field. In summary, the electric field sets up the conditions for the electric force to act on charged objects.
What are the conditions for stable electric configuration?
The valence/outer shell has to be completely full to be completely stable.
