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A wire 40 cm long bent into a rectangula...

A wire 40 cm long bent into a rectangular loop `15 cmxx5` cm is placed perpendicular to the magnetic field whose flux density is` 0.8 Wbm ^(-2)`. Within 1.0 second, the loop is changed into a 10 cm square and flux density increases to `1.4 Wbm^(-2)`. Calculate the value of induced emf.

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MODERN PUBLICATION-ELECTROMAGNETIC INDUCTION-EXERCISE
  1. A wire 40 cm long bent into a rectangular loop 15 cmxx5 cm is placed p...

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  2. Explain the concept of magnetic flux linked with a surface.

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  3. What is electromagnetic induction ? State its laws.

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  4. What is electromagnetic induction ? State its laws.

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  5. What is electro-magnetic induction?

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  6. What is electromagnetic induction ? State its laws.

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  7. State Lenz’s law of electromagnetic induction.

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

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

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

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

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  12. Show that Lenz's law obeys the law of conservation of energy.

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  13. State Lenz’s law of electromagnetic induction.

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  14. Will an induced current be always produced whenever there is change of...

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  15. Derive an expression for induced e.m.f. developed in a conductor of le...

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

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  17. Derive an expression for induced current, when a coductor of length l ...

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  18. A straight conductor 1 meter long moves a right angles to both, its le...

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  19. What is electromagnetic induction ? State its Faraday's laws. Find an ...

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  20. What is electromagnetic induction ? State its Faraday's laws. Find an ...

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  21. A rectangular conductor LMNO is placed in a uniform magnetic field vec...

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