Biot-Savart's Law and Magnetic Field Intensity
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Questions and Answers

What is the integral form of Biot-Savart's law analogous to?

  • Faraday's law
  • Coulomb's law (correct)
  • Ampère's law
  • Ohm's law

    • How can the current element I dl be represented in terms of surface current density Js?

  • I dl = Js dr
  • I dl = Js dt
  • I dl = Js dV
  • I dl = Js ds (correct)

    • For surface current distribution, what is the equation representation of Biot-Savart's law?

  • $B = 4\pi J_s \times r$
  • $B = 4\pi J_V \times r$
  • $B = 4\pi abla imes J_s$ (correct)
  • $B = 4\pi abla imes J_V$

    • How can the current element I dl be represented in terms of volume current density JV?

    <p>I dl = JV dV</p> Signup and view all the answers

    According to the Biot-Savart law, the magnetic induction at any point due to an element dl is proportional to:

    <p>The current I through dl</p> Signup and view all the answers

    What is the permeability of free space denoted by in the Biot-Savart law?

    <p>4π A1m 1</p> Signup and view all the answers

    What happens to the magnitude of magnetic flux density at an axial point on a current-carrying conductor according to the Biot-Savart law?

    <p>It becomes zero</p> Signup and view all the answers

    In the Biot-Savart law, if θ = 90°, what does it indicate about the magnetic field intensity?

    <p>It reaches a maximum value</p> Signup and view all the answers

    Which parameter is inversely proportional to the magnetic induction according to the Biot-Savart law?

    <p>The radius vector r</p> Signup and view all the answers

    What does equation (ii) represent in the Biot-Savart law?

    <p>The vector form of the law</p> Signup and view all the answers

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