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The magnetic flux density in an air-cored coil is 10-2 Wb/m2 With a cast iron core of relative permeability 100 inserted, the flux density will become
- a)10-4 Wb/m2
- b)104 Wb/m2
- c)10-2 Wb/m2
- d)1 Wb/m2
Correct answer is option 'D'. Can you explain this answer?
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The magnetic flux density in an air-cored coil is 10-2 Wb/m2With a cas...
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The magnetic flux density in an air-cored coil is 10-2 Wb/m2With a cas...
Explanation:
The magnetic flux density in an air-cored coil is given as 10^-2 Wb/m2.
Effect of inserting a cast iron core:
- When a cast iron core with a relative permeability of 100 is inserted, the magnetic flux density will increase due to the increased permeability of the core.
- The formula to calculate the new flux density with a core is: B = μ * B0, where B is the new flux density, μ is the relative permeability of the core, and B0 is the original flux density in air.
Calculation:
- Given that the original flux density in air is 10^-2 Wb/m2 and the relative permeability of cast iron is 100.
- Substituting the values in the formula, we get: B = 100 * 10^-2 = 1 Wb/m2.
Therefore, the new flux density with the cast iron core inserted will be 1 Wb/m2, which is option 'D'.
The magnetic flux density in an air-cored coil is given as 10^-2 Wb/m2.
Effect of inserting a cast iron core:
- When a cast iron core with a relative permeability of 100 is inserted, the magnetic flux density will increase due to the increased permeability of the core.
- The formula to calculate the new flux density with a core is: B = μ * B0, where B is the new flux density, μ is the relative permeability of the core, and B0 is the original flux density in air.
Calculation:
- Given that the original flux density in air is 10^-2 Wb/m2 and the relative permeability of cast iron is 100.
- Substituting the values in the formula, we get: B = 100 * 10^-2 = 1 Wb/m2.
Therefore, the new flux density with the cast iron core inserted will be 1 Wb/m2, which is option 'D'.
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The magnetic flux density in an air-cored coil is 10-2 Wb/m2With a cast iron core of relative permeability 100 inserted, the flux density will becomea)10-4Wb/m2b)104 Wb/m2c)10-2Wb/m2d)1 Wb/m2Correct answer is option 'D'. Can you explain this answer?
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The magnetic flux density in an air-cored coil is 10-2 Wb/m2With a cast iron core of relative permeability 100 inserted, the flux density will becomea)10-4Wb/m2b)104 Wb/m2c)10-2Wb/m2d)1 Wb/m2Correct answer is option 'D'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about The magnetic flux density in an air-cored coil is 10-2 Wb/m2With a cast iron core of relative permeability 100 inserted, the flux density will becomea)10-4Wb/m2b)104 Wb/m2c)10-2Wb/m2d)1 Wb/m2Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The magnetic flux density in an air-cored coil is 10-2 Wb/m2With a cast iron core of relative permeability 100 inserted, the flux density will becomea)10-4Wb/m2b)104 Wb/m2c)10-2Wb/m2d)1 Wb/m2Correct answer is option 'D'. Can you explain this answer?.
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