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Self induction and Mutual induction...

Self induction and Mutual induction

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Explain the phenomenon of self induction and mutual induction. Define coefficient of self induction and mutual induction. Write the SI unit and dimensions of coefficient of self induction. A potentiometer wire has a length of 4m and a resistance of 5 Omega . What resistance should be connected in series with a potentiomete-wire and a cell of e.m.f. 2V having internal resistance 1Omega to get a potential gradient of 10^(-3)V//cm ?

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Mutual Inductance

Mutual Inductance

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Dynamic and mutual induction

MODERN PUBLICATION-ELECTROMAGNETIC INDUCTION-REVISION EXERCISE (Short Answer Questions)
  1. A bar magnet is falling from some height through a metal ring. (i) W...

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  2. A rectangular loop of 'n' turns of length 'l', width ', rotated with a...

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  3. Consider the following arrangement in which A and B are two coils. Coi...

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  4. Starting from the expression for the energy W=1 // 2 LI^(2), stored in...

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  5. In the figure given below, a bar magnet moving towards the right or le...

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  6. A metallic rod of length l is rotated at a constant angular speed omeg...

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  7. Define self -inductance and its S.I. unit. Derive an expression for se...

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  8. Explain electromotive force.

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  9. What are eddy currents ? Mention two applications of eddy currents.

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  10. How eddy currents can be produced?

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  11. What are eddy currents ? Give some applications of eddy currents. How ...

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  12. Name four applications of Eddy currents.

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  13. A copper coil is moving out of a magnetic field with a constant veloci...

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  14. What is mutual induction? Find the coefficient of mutual induction and...

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  15. The mutual inductance depends upon

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  16. What is meant by self-inductance of a coil? Obtain an expression for t...

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  17. ENERGY STORED IN AN INDUCTOR

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  18. Define the term 'mutual inductance' between the two coils. Obtain the...

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  19. Self induction and Mutual induction

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  20. Explain why resistance coils are usually double wound.

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