Toroid is

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An endless of solenoid in the form of a ring
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Mean radius of a toroid carrying current of 2A is 30/ pi cm. Total number of turns in toroid is 600. A paramagnetic substance is used to prepare a ring to make the core of toroid and its temperature is kept at 300 K. If intensity of magnetization in the core is 6.0 xx 10^(-2) A/m. Find the magnetic susceptibility of the material at 300 K. How the intensity of magnetization will change when temperature of core is changed to 450 K?

A wire carrying current of 5 A is wound on a toroid in 4,000 turns, Calculate the magnetic field inside the core of toroid and outside the toroid if its inner radius is 15 cm and the outer radius is 18 cm.

Determine the mutual inductance of a toroid and an infinite straight wire located along the central axis of the toroid. The toroid has a rectangular cross section with inner and outer radii a and b respectively. The width of the rectangular cross section parallel to the straight wire is h. Total turns in the toroid is N.

Magnetic Field due to Solenoid || Magnetic Field due to a Finite Length Solenoid || Magnetic Field Due to Toroid || Problems on Solenoid and Toroid

Toroid has a core (non-ferromagnetic) of inner radius 25 cm and outer radius 26 cm, around which 3500 turns of a wire wound. If the current in the wire is 11A, what is the magnetic field (a) outside the toroid, (b) inside the core of the toroid, and (c) in the empty space surrounded by the torroid.

MODERN PUBLICATION-MOVING CHARGES AND MAGNETISM-Revision Exercises (Very Short Answer Questions )
  1. Which rule is used to find the direction of field produced by a soleno...

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  2. Why should a solenoid tend to contract when a current passes through i...

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  3. Toroid is

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  4. A copper wire of length 7 metre is bent to form a circular loop. If i ...

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  5. What is the shape of the coils for an ideal toroid?

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  6. Magnetic field lines can be entirely confined within the core of a tor...

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  7. Derive an expression for the force between two long parallel current c...

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  8. What type of force is acting between two parallel wires carrying curre...

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  9. If the distance between two parallel current carrying wires is doubled...

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  10. The force exerting between the two parallel current carrying conductor...

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  11. Derive an expression for the force between two long parallel current c...

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  12. What is the torque on a current carrying loop placed in a uniform magn...

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  13. What is the value of torque when magnetic moment (m) and magnetic fiel...

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  14. Two wires of equal lengths are bent in the form of two loops. One of t...

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  15. Magnetic dipole moment of revolving electron is

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  16. What is the correct value of Bohr magneton?

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  17. What is torsional constant of the spring used in a galvanometer?

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  18. What is the condition for steady angular deflection (phi) in moving co...

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  19. What is current sensitivity? State ita SI unit.

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  20. What is voltage sensitivity? State its SI unit.

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