Question
Download Solution PDFIf I is the current flowing through conductor and V is the potential difference across its end, then Ohm's Law is expressed as:
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KVS TGT WET (Work Experience Teacher) Official Paper
Answer (Detailed Solution Below)
Option 1 : \(V=\frac{ 1}{ \sigma}\frac{ L}{ A}I\)
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Detailed Solution
Download Solution PDFThe resistance of a wire is given by,
\(R = \frac{{ρ l}}{A}\)
ρ = resistivity of material
l = length of wire
A = area of cross-section
Ohm's law states that:
V = IR
σ = 1/ρ
where, σ is the conductivity of the material.
\(V=\frac{ 1}{ \sigma}\frac{ L}{ A}I\)
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