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Do all materials obey Ohm's law ?...

Do all materials obey Ohm's law ?

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No, some materials don't obey Ohm's law.
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VGS PUBLICATION-BRILLIANT-ELECTRIC CURRENT-QUESTIONS GIVEN IN THE LESSON (1 MARK QUESTIONS
  1. Is there any relation between emf of battery and drift speed of electr...

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  2. Can you guess the reason wh the ratio of V and I in case of LED is not...

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  3. Do all materials obey Ohm's law ?

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  4. What is resitance ?

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  5. Is the value of resistance same for all materials ?

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  6. Is there any application of Ohm's law in daily life ?

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  7. What cause electric shock in the human body ?

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  8. Do you know the voltage of mains that we use in our household circuits...

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  9. What happens to the resistsance of a conductor if we increse its lengt...

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  10. Does the thickness of a conductor influence its resitance ?

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  11. How are electric devices connected in circuits ?

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  12. When bulbs are connected (resistors) in series, What do you notice ?

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  13. What do you notice when bulbs (resotors) are connected in series to th...

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  14. What do you mean by equivalent resistance resitance ?

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  15. What happens when the one of the resistor in series breaks down ?

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  16. Can you guess in what way household wiring has been done ?

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  17. How much current is drawn from the battery if the resistors are connec...

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  18. How could the sign convention be take ?

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  19. You might have heard the sentences like "this month we have consumed 1...

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  20. A bulb is marked 60 W and 120 V. What do the values indicate ?

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