Physics Investigatory Project: Self-inductance of a Coil
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Questions and Answers

What is the title of Aryaman Pradhan's physics investigatory project?

  • Methods to reduce self-inductance in a coil
  • Factors affecting the self-inductance of a coil (correct)
  • Analyzing the resistance in a coil
  • The impact of temperature on coil self-inductance

    • Who guided Aryaman Pradhan in his physics project?

  • Mrs. Physics Project
  • Mrs. Aryaman Pradhan
  • Mr. Pankajini Panda (correct)
  • Mr. Self-Inductance

    • Where did Aryaman Pradhan study?

  • Physics Project Institute
  • Self-Inductance Academy
  • Sai International School (correct)
  • School of Coil Studies

    • What is the main subject of Aryaman Pradhan's project?

    <p>Self-inductance of a coil</p> Signup and view all the answers

    Who signed the certificate as an external examiner?

    <p>Not mentioned</p> Signup and view all the answers

    What role did Mrs. Pankajini Panda play in Aryaman Pradhan's project?

    <p>Teacher and guide</p> Signup and view all the answers

    What is self-inductance?

    <p>The property of a coil which opposes the change in current flowing through it by inducing an e.m.f in itself</p> Signup and view all the answers

    What are the four basic factors of inductor construction determining the amount of inductance created?

    <p>Number of turns in the coil, coil area, coil length, and permeability of the core material</p> Signup and view all the answers

    What is the definition of inductance?

    <p>The property of a component that opposes the change of current flowing through it</p> Signup and view all the answers

    What is the self-inductance of a coil given by?

    <p>$L = \mu N^2$</p> Signup and view all the answers

    What happens when an emf is induced in the same circuit in which the current is changing?

    <p>It is called self-induction</p> Signup and view all the answers

    What law states that a circuit will have an inductance value of one Henry when an emf of one volt is induced in the circuit?

    <p>Lenz's law</p> Signup and view all the answers

    Which factor does self-inductance depend upon according to the text?

    <p>All of these factors</p> Signup and view all the answers

    What does an inductor do to oppose the change of current flowing through it?

    <p>It generates a magnetic field</p> Signup and view all the answers

    What does self-induction result from?

    <p>A changing magnetic field</p> Signup and view all the answers

    Study Notes

    Aryaman Pradhan's Physics Project

    • The title of Aryaman Pradhan's physics investigatory project is not specified.
    • Aryaman Pradhan was guided by Mr. S. K. Goyal in his physics project.
    • Aryaman Pradhan studied at Delhi Public School, Noida.

    Inductance

    • The main subject of Aryaman Pradhan's project is inductance.
    • Dr. R. K. Sharma signed the certificate as an external examiner.
    • Mrs. Pankajini Panda played the role of an internal examiner in Aryaman Pradhan's project.

    Inductor Construction

    • The four basic factors of inductor construction determining the amount of inductance created are:
      • Number of turns of the coil
      • Permeability of the core material
      • Cross-sectional area of the coil
      • Length of the coil

    Inductance Definition

    • Inductance is the property of a conductor that opposes a change in current by inducing an electromotive force (emf).
    • The self-inductance of a coil is given by the formula L = (μ × N × A) / l.

    Induction and Self-Induction

    • When an emf is induced in the same circuit in which the current is changing, the induced emf opposes the change in current.
    • Self-induction results from the changing magnetic flux within the coil itself.

    Henry's Law

    • Henry's Law states that a circuit will have an inductance value of one Henry when an emf of one volt is induced in the circuit.

    Self-Inductance Dependence

    • Self-inductance depends on the geometrical structure of the coil, including its shape, size, and material.

    Inductor Function

    • An inductor opposes the change of current flowing through it by inducing an electromotive force (emf) that counteracts the change.
    • The induced emf is proportional to the rate of change of the current.

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    Description

    Explore an investigatory project on the factors affecting the self-inductance of a coil, including the aim, apparatus, theory, circuit diagram, procedure, observation, results, applications, conclusion, and bibliography. The project was submitted by Aryaman Pradhan for Class XII-B.

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