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Ampere’s Circuital Law and Different Surfaces

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Ampere’s Circuital Law and Different Surfaces

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Questions and Answers

What term is missing in Ampere’s circuital law?

Conduction current

Conductance

Resistance

Displacement current (correct)

What is the source of a magnetic field according to Maxwell's generalization?

Displacement current only

Conduction electric current only

Electric charge

Both conduction electric current and displacement current (correct)

What is the electric flux through the surface S?

Q/E0Aε

Q/ε

E0/Qε

E0A/ε (correct)

What does the term 'displacement current' refer to?

Current due to changing electric field Signup and view all the answers

What does Eq. (8.3) represent?

Electric flux through the surface S Signup and view all the answers

Why does the author suggest that Ampere's circuital law must be missing something?

Because it does not account for the presence of an electric field between the plates of a capacitor. Signup and view all the answers

What is the issue encountered when applying Ampere's circuital law to the pot-like and tiffin box-shaped surfaces?

The left hand side of the equation has not changed but the right hand side is zero, leading to a contradiction. Signup and view all the answers

Why does the author mention the electric field between the plates of a capacitor?

To highlight its relationship with the magnetic field at point P. Signup and view all the answers

What conclusion can be drawn from the contradictory results obtained when applying Ampere's circuital law?

The original Ampere's circuital law needs to be revised to include additional terms. Signup and view all the answers

What is the significance of the contradictory results obtained for different surface shapes?

It signifies a need for considering electric fields when applying Ampere's circuital law. Signup and view all the answers