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What is lattice ?...

What is lattice ?

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According to Drude and Lorentz, conductors like metals contain a large number of free electrons, while the positive ions are fixed in their locations. The arrangement of the positive ions is called lattice.
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VGS PUBLICATION-BRILLIANT-ELECTRIC CURRENT-CONCEPTUAL UNDERSTANDING
  1. When do you say that two or more resistors are connected in series ?

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  2. When do you say that two or more resistors are connected in parallel?

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  3. What is lattice ?

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  4. What is the drift speed of electrons ?

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  5. Is the voltmeter connected in series or parallel in circuit ? Why ?

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  6. State the use of Ammeter. How to connect the Ammeter in electric circu...

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  7. The home appliance like Fridge ,T.V, Computer are connected in series ...

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  8. Why are copper wires used as connecting wires ?

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  9. Name two special characteristics of fuse wire.

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  10. Name two special characteristics of heating coil.

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  11. What is Resistance ? What are the SI Units of Resistance ?

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  12. When a potential difference 30V is applied across a resistors, it draw...

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  13. Is Ohm's law universally applicable for all condcuting elements? If no...

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  14. Give reasons for using lead in making fuses.

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  15. Define electric current and give an experssion to it.

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  16. What is drift speed ?

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  17. Define emf.

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  18. What are the factors affecting the resistance of a material ?

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  19. Calculate the drift speed of electrons in copper wire carrying a curr...

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  20. How can we decide the direction of electric current in a conductor ?

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