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Distinguish between the magnetic propert...

Distinguish between the magnetic properties of dia, para and ferromagnetic substances in terms of (i) susceptibility
(ii) magnetic permeability and
(iii) Coercivity. Give one example of each of these materials.
Draw the field lines due to an external magnetic field near a (i) diamagnetic
(ii) paramagnetic substance.

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CBSE COMPLEMENTARY MATERIAL-UNIT–III & UNIT–IV MAGNETIC EFFECTS OF CURRENT AND MAGNETISM & E.M.I. AND ALTERNATING CURRENT-SHORT ANSWERS QUESTIONS (3 Marks)
  1. Derive an expression for the force between two long parallel current c...

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  2. Distinguish between the magnetic properties of dia, para and ferromagn...

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  3. Name the elements or parameters of earth's magnetic field.

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  4. Describe the path of a charged particle moving in a uniform magnetic f...

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  5. Obtain an expression for the magnetic moment of an electron moving wit...

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  6. State Ampere's circuital law. Use this law to obtain the expression fo...

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  7. (a)Using Ampere's circuitlal law,obtain the expression for the magneti...

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  8. A magnetic dipole of moment M is placed in uniform magnetic field B so...

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  9. A moving coil galvanometer has N number of turns in a coil of effectiv...

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  10. One of the two identical conducting wires of length L is bent in the f...

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  11. Obtain an expression for the self inductance of a straight solenoid of...

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  12. In a series L–C–R circuit XL, XC and R are the inductive reactance, ca...

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  13. Name four applications of Eddy currents.

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  14. (i) An a.c. Source of voltage V = V(0) " sin " omegat is connected...

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  15. A voltage, E = E(0) sin omega t is applied across an inductor L. Obtai...

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  16. The energy stored in an inductor of self-inductance L henry carrying a...

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  17. A conducting rod held horizontally along East-West direction is droppe...

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  18. In an LC circuit, resistance of the circuit is negligible. If time per...

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  19. In an LC circuit, resistance of the circuit is negligible. If time per...

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  20. In an LC circuit, resistance of the circuit is negligible. If time per...

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