Discussion :: Network Analysis and Synthesis
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A current is flowing through a conductor with non-uniform area of cross-section. Then
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A.
current will be different at different cross-sections.
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B.
current will be the same at all the cross-sections.
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C.
current will be different but current density will be same at all the cross-sections
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D.
current will be the same but current density will be different at different cross-sections.
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Answer : Option D
Explanation :
Current density = current/area of cross-section. Same current throughout the conductor.
Since, area of cross-section is non-uniform, current density will be different at different cross-sections.
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