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Two cylindrical conductor with equal cross-sections and different resistivity  ρ1 and ρ2 are put end to end. The charge at the boundary of the conductor if a current I flows from conductor 1 to conductor 2
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Two cylindrical conductor with equal cross-sections and different resi...
The current density
J = I/A
Electric field in the two conductor are given by
If we consider of Gaussian pill box of cross-section area S at the interface of two conductors.
The flux of 
According to Gauss Law

where σ  is the surface charge density at the interface
So, charge at the boundary of two conductors

The correct answer is: 
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Most Upvoted Answer
Two cylindrical conductor with equal cross-sections and different resi...
The current density
J = I/A
Electric field in the two conductor are given by
If we consider of Gaussian pill box of cross-section area S at the interface of two conductors.
The flux of 
According to Gauss Law

where σ  is the surface charge density at the interface
So, charge at the boundary of two conductors

The correct answer is: 
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Community Answer
Two cylindrical conductor with equal cross-sections and different resi...
The current density
J = I/A
Electric field in the two conductor are given by
If we consider of Gaussian pill box of cross-section area S at the interface of two conductors.
The flux of 
According to Gauss Law

where σ  is the surface charge density at the interface
So, charge at the boundary of two conductors

The correct answer is: 
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Two cylindrical conductor with equal cross-sections and different resistivity ρ1and ρ2are put end to end. The charge at the boundary of the conductor if a current I flows from conductor 1 to conductor 2a)b)c)d)Correct answer is option 'B'. Can you explain this answer?
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