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Define pH....

Define pH.

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PUNJAB BOARD PREVIOUS YEAR PAPERS-ELECTROMAGNETIC INDUCTION-EXERSICE
  1. Define S.I. unit of self inductance.

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  2. What is meant by magnetic flux? State its S.I. unit.

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  3. Define pH.

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  4. Define S.I. unit of self inductance.

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  5. State Lenz's rule to find direction of induced current.

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  6. State Lenz’s law.Give one example to illustrate it.

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  7. What are eddy currents ? Give experiment to explain their origion.

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  8. State and explain Faraday’s law of electromagnetic induction.

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  9. Define co-efficient of self-induction and find an expression for it fo...

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  10. Prove that Lenz’s law obeysthe law of conservation of energy.

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  11. Define co-efficient of mutual induction and find an expression for it.

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  12. Write the laws of electromagnetic induction.

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  13. Derivea expression for inducede.m.f. whenacoilrotates in a uniform mag...

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  14. What are eddy currents ? How eddy currents canbeminimised intransforme...

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  15. Is Lenz's law in accordance with the law of conservation of energy?

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  16. What are Faraday’s laws of electromagnetic Induction ?

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  17. What is meant by mutual inductance?

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  18. State and explain Faraday’s Law of electro-magneticInduction.

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  19. Show that energy stored in an inductor L, when a current is f establis...

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  20. What is electromagnetic induction ? State its laws.

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