
Which of the following statement(s) is/are correct?
A. Conduction current obeys Ohm’s law whereas displacement current does not
B. Conduction current is the actual current whereas displacement current is the apparent current produced by time varying electric fields.
C. Conduction current density is represented by whereas, the displacement current density is given by ; = conductivity of the element, = electric field
D. All of above
Answer
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Hint: Conduction current happens in conductors when electrons move. The conduction current is formed by the drift velocity obtained by casually moving of the free electrons when the voltage is applied.
Complete step by step solution:
Displacement current between the two plates of the capacitor, due to electric field.
The conduction current is due to the flow of electrons under the applied electric potential. In this case, the surface charge density is smaller.
The conduction current density is defined as when the charge carriers are electrons. Conduction current arises when there are free electrons.
Ohm’s law in simple terms, it’s the strength of the direct current and it’s directly proportional to the potential difference and inversely proportional to the resistance of the circuit.
Displacement current is the current that occurs due to the charging electric field introduced by Maxwell. It depends on the frequency of the electric field while conduction current follows Ohm's law, requiring medium displacement. Current does not follow ohm's law nor require medium.
Conduction current obeys Ohm’s law whereas displacement current does not.
So, the correct answer is “Option A”.
Note: The displacement current happens when an electric field sets up in a dielectric in the capacitor.
The nature of the displacement current is transitory. The dipoles within the dielectric get direct direction of the electric field throughout the charging capacitor.
Complete step by step solution:
Displacement current between the two plates of the capacitor, due to electric field.
The conduction current is due to the flow of electrons under the applied electric potential. In this case, the surface charge density is smaller.
The conduction current density is defined as when the charge carriers are electrons. Conduction current arises when there are free electrons.
Ohm’s law in simple terms, it’s the strength of the direct current and it’s directly proportional to the potential difference and inversely proportional to the resistance of the circuit.
Displacement current is the current that occurs due to the charging electric field introduced by Maxwell. It depends on the frequency of the electric field while conduction current follows Ohm's law, requiring medium displacement. Current does not follow ohm's law nor require medium.
Conduction current obeys Ohm’s law whereas displacement current does not.
So, the correct answer is “Option A”.
Note: The displacement current happens when an electric field sets up in a dielectric in the capacitor.
The nature of the displacement current is transitory. The dipoles within the dielectric get direct direction of the electric field throughout the charging capacitor.
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