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  1. It is clear that self inductance of solenoid depends upon the following factors: (1) On relative permeability of material inside the solenoid: If a soft iron core placed inside the solenoid, the magnetic flux linked with the solenoid increased hence, self inductance of the solenoid will also increases.

  2. Self Inductance of a Current Carrying Solenoid: Consider a solenoid of radius r metre, length l metre, having total number of turns N and carrying a current I ampere. The magnetic field produced on its axis inside the solenoid is

  3. A wire of fixed length is wound on a solenoid of length l and radius r. Its self inductance is found to be L. Now, if same wire is wound on a solenoid of length l 2 and radius r 2, then self inductance will be

  4. a long solenoid has 1000 turns . when a current of 4 A flows through it the magnetic flux linked with each turn of the solenoid is 4*10^-3 Wb the self inductance of the solenoid [1]1H [2] 4H [2] 3H [4] 2H

  5. A solenoid of length 1 m, area of cross-section 4.0 c m 2 and having 4000 turns is placed inside another solenoid of 2000 turns having a cross-sectional area 6 c m 2 and length 2 m. The mutual inductance between the solenoids is x π × 10 − 5 H .

  6. The self-inductance of an air core solenoid of 100 turns is 1 m H. The self-inductance of another Solenoid of 50 turns (with the same length and cross-sectional area) with a core having relative permeability 500 is

  7. The self-inductance of an air core solenoid of 100 turns is 1 m H.The self-inductance of another Solenoid of 50 turns (with the same length and cross-sectional area) with a core having relative permeability 500 is

  8. The self-inductance of an air core solenoid of 100 turns is 1 m H.The self-inductance of another Solenoid of 50 turns (with the same length and cross-sectional area) with a core having relative permeability 500 is

  9. Assertion :The self-inductance of a long solenoid is proportional to the area of cross-section and length of the solenoid. Reason: Self inductance of a solenoid is independent of the number of turns per unit length. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

  10. If the current in the toroidal solenoid increases uniformly from zero to 6.0 A in 3.0 μ s.Self inductance of the toroidal solenoid is 40 μ H. The magnitude of self-induced emf is The magnitude of self-induced emf is