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Calculate the polarisation vector of the material which has 100 dipoles per unit volume in a volume of 2 units.
- a)200
- b)50
- c)400
- d)0.02
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Calculate the polarisation vector of the material which has 100 dipole...
Answer: a
Explanation: Polarisation vector P = N x p, where N = 100 and p = 2. On substituting we get P = 200 units.
Explanation: Polarisation vector P = N x p, where N = 100 and p = 2. On substituting we get P = 200 units.
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Calculate the polarisation vector of the material which has 100 dipole...
Polarisation Vector and Dipoles
The polarisation vector is a vector quantity that describes the alignment of electric dipole moments in a material. It is denoted by P and is defined as the dipole moment per unit volume of the material.
Given Information
- Number of dipoles per unit volume = 100
- Volume of the material = 2 units
Calculation
To calculate the polarisation vector, we need to determine the dipole moment per unit volume.
Step 1: Calculate the total number of dipoles in the given volume.
Number of dipoles = Number of dipoles per unit volume * Volume
Number of dipoles = 100 * 2
Number of dipoles = 200
Step 2: Calculate the dipole moment per unit volume.
Dipole moment per unit volume = Total dipole moment / Volume
Dipole moment per unit volume = Number of dipoles / Volume
Dipole moment per unit volume = 200 / 2
Dipole moment per unit volume = 100
Step 3: The polarisation vector is equal to the dipole moment per unit volume.
Polarisation vector = Dipole moment per unit volume = 100
Conclusion
The polarisation vector of the material is 100. Therefore, the correct answer is option 'A' (200).
The polarisation vector is a vector quantity that describes the alignment of electric dipole moments in a material. It is denoted by P and is defined as the dipole moment per unit volume of the material.
Given Information
- Number of dipoles per unit volume = 100
- Volume of the material = 2 units
Calculation
To calculate the polarisation vector, we need to determine the dipole moment per unit volume.
Step 1: Calculate the total number of dipoles in the given volume.
Number of dipoles = Number of dipoles per unit volume * Volume
Number of dipoles = 100 * 2
Number of dipoles = 200
Step 2: Calculate the dipole moment per unit volume.
Dipole moment per unit volume = Total dipole moment / Volume
Dipole moment per unit volume = Number of dipoles / Volume
Dipole moment per unit volume = 200 / 2
Dipole moment per unit volume = 100
Step 3: The polarisation vector is equal to the dipole moment per unit volume.
Polarisation vector = Dipole moment per unit volume = 100
Conclusion
The polarisation vector of the material is 100. Therefore, the correct answer is option 'A' (200).
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Calculate the polarisation vector of the material which has 100 dipoles per unit volume in a volume of 2 units.a)200b)50c)400d)0.02Correct answer is option 'A'. Can you explain this answer?
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