Question

If the resistivity of the conductor is 2 x 10-6m then its conductivity is
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Answer 1

Answer:

2*10=20-6=14m

Explanation:

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Answer 2

Answer:

The conductivity of the conductor is equal to 5 × 10⁵ohm⁻¹ m⁻¹.  

Explanation:

Given, the resistivity of the conductor, ρ = 2 × 10⁻⁶ ohm m

The resistivity or specific resistance of the conductor ids defined as the resistance in ohms which is offered by 1 cm³ of the volume of the conductor.

The value of the resistivity depends upon the material of the conductor.

Conductivity is the conductance of the 1 cm³ of the volume of the conductor. It is denoted by kappa ($\kappa$)

The reciprocal of the resistivity (ρ) is known as the conductivity (k) or specific conductance.

$\big \kappa = \frac{\big 1}{\big \rho}$

Substitute the value of resistivity, we get;

$\kappa =\frac{1}{2\times 10^{-6}ohm\; m}$

$\kappa= 5\times 10^5 \;ohm^{-1}m^{-1}$

Therefore, the conductivity of the conductor is equal to 5 × 10⁵ohm⁻¹ m⁻¹.  

To learn more about "Specific conductance"

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