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 What is the conductivity when the Hall Effect coefficient is 5 and mobility is 5cm2 /s.
  • a)
    100 S/m
  • b)
    10 S/m
  • c)
    0.0001S/m
  • d)
    0.01 S/m
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
What is the conductivity when the Hall Effect coefficient is 5 and mob...
µ=σR
σ =µ/R
=5*10-4/5
=0.0001 S/m.
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Most Upvoted Answer
What is the conductivity when the Hall Effect coefficient is 5 and mob...
Mobility= (8/3π) x( conductivity x Hall coefficient).conductivity =(5x10^-4x 3π) /(5x8) =0.000117~0.0001~> option (C)
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Community Answer
What is the conductivity when the Hall Effect coefficient is 5 and mob...
Hall Effect is a phenomenon in which a voltage difference is generated across a conductor when a magnetic field is applied perpendicular to the current flow. The Hall Effect coefficient is a measure of the voltage generated per unit magnetic field and current. The mobility of a charge carrier is a measure of its ability to move in response to an electric field.

Given the Hall Effect coefficient as 5 and the mobility as 5 cm^2/s, we can calculate the conductivity using the formula:

Conductivity = Hall Effect Coefficient * Mobility

Let's calculate the conductivity:

Conductivity = 5 * 5 cm^2/s

To convert cm^2/s to S/m (siemens per meter), we need to multiply by 10^(-4):

Conductivity = 5 * 5 * 10^(-4) S/m

Simplifying the expression:

Conductivity = 25 * 10^(-4) S/m

Converting the scientific notation to decimal notation:

Conductivity = 0.0025 S/m

Therefore, the correct answer is option C) 0.0001 S/m.

Explanation:
- Hall Effect is a phenomenon in which a voltage difference is generated across a conductor when a magnetic field is applied perpendicular to the current flow.
- The Hall Effect coefficient is a measure of the voltage generated per unit magnetic field and current.
- The mobility of a charge carrier is a measure of its ability to move in response to an electric field.
- The conductivity is calculated by multiplying the Hall Effect coefficient and mobility.
- In this case, the Hall Effect coefficient is 5 and the mobility is 5 cm^2/s.
- To convert cm^2/s to S/m, we multiply by 10^(-4).
- Therefore, the conductivity is 0.0025 S/m, which is equivalent to option C) 0.0001 S/m.
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