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The magnetic field strength of a solenoid can be increased by inserting which of the following materials as the core?
- a)Copper
- b)Silver
- c)Iron
- d)Aluminium
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
The magnetic field strength of a solenoid can be increased by insertin...
Understanding Solenoids and Magnetic Fields
A solenoid is a coil of wire that generates a magnetic field when an electric current passes through it. The strength of this magnetic field can be enhanced by using different materials as the core.
Why Iron is the Correct Choice
When considering the materials listed (Copper, Silver, Iron, and Aluminium), the choice of core material significantly affects the solenoid's magnetic field strength.
Key Properties of Iron
- Ferromagnetic Material: Iron is a ferromagnetic material, which means it can be easily magnetized and retains its magnetic properties even after the external magnetic field is removed.
- High Permeability: Iron has high magnetic permeability, allowing it to conduct magnetic lines of force more effectively than non-magnetic materials. This increases the overall magnetic field produced by the solenoid.
- Magnetic Saturation: Although iron can become saturated at very high magnetic field strengths, it still enhances magnetic field strength significantly within typical operational ranges.
Comparison with Other Materials
- Copper and Silver: These are conductive metals but are not ferromagnetic. They do not enhance the magnetic field strength when used as a core material.
- Aluminium: While it is lightweight and conductive, aluminium is also non-ferromagnetic, thus failing to enhance the magnetic field like iron does.
Conclusion
Inserting iron as a core in a solenoid maximizes the magnetic field strength due to its ferromagnetic properties and high permeability, making it the ideal choice compared to the other materials listed.
A solenoid is a coil of wire that generates a magnetic field when an electric current passes through it. The strength of this magnetic field can be enhanced by using different materials as the core.
Why Iron is the Correct Choice
When considering the materials listed (Copper, Silver, Iron, and Aluminium), the choice of core material significantly affects the solenoid's magnetic field strength.
Key Properties of Iron
- Ferromagnetic Material: Iron is a ferromagnetic material, which means it can be easily magnetized and retains its magnetic properties even after the external magnetic field is removed.
- High Permeability: Iron has high magnetic permeability, allowing it to conduct magnetic lines of force more effectively than non-magnetic materials. This increases the overall magnetic field produced by the solenoid.
- Magnetic Saturation: Although iron can become saturated at very high magnetic field strengths, it still enhances magnetic field strength significantly within typical operational ranges.
Comparison with Other Materials
- Copper and Silver: These are conductive metals but are not ferromagnetic. They do not enhance the magnetic field strength when used as a core material.
- Aluminium: While it is lightweight and conductive, aluminium is also non-ferromagnetic, thus failing to enhance the magnetic field like iron does.
Conclusion
Inserting iron as a core in a solenoid maximizes the magnetic field strength due to its ferromagnetic properties and high permeability, making it the ideal choice compared to the other materials listed.
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Community Answer
The magnetic field strength of a solenoid can be increased by insertin...
Strength of the magnetic field can be increased by:
- increasing the current in the coil.
- increasing the number of coils in the solenoid; and.
- using a soft iron core within the solenoid.
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The magnetic field strength of a solenoid can be increased by inserting which of the following materials as the core?a)Copperb)Silverc)Irond)AluminiumCorrect answer is option 'C'. Can you explain this answer? for Electrical Engineering (EE) 2025 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about The magnetic field strength of a solenoid can be increased by inserting which of the following materials as the core?a)Copperb)Silverc)Irond)AluminiumCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The magnetic field strength of a solenoid can be increased by inserting which of the following materials as the core?a)Copperb)Silverc)Irond)AluminiumCorrect answer is option 'C'. Can you explain this answer?.
The magnetic field strength of a solenoid can be increased by inserting which of the following materials as the core?a)Copperb)Silverc)Irond)AluminiumCorrect answer is option 'C'. Can you explain this answer? for Electrical Engineering (EE) 2025 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about The magnetic field strength of a solenoid can be increased by inserting which of the following materials as the core?a)Copperb)Silverc)Irond)AluminiumCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The magnetic field strength of a solenoid can be increased by inserting which of the following materials as the core?a)Copperb)Silverc)Irond)AluminiumCorrect answer is option 'C'. Can you explain this answer?.
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