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What is a non-ohmic resistor ?...

What is a non-ohmic resistor ?

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Non-ohmic resistor - The conductor which does not obey Ohm.s law
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What is an ohmic resistor ? Give one example of an ohmic resistor. Draw a graph to show its currentvoltage relationship. How is the resistance of the resistor determined from this graph ?

What is an Ohmic resistor ?

Fig. shows I-V curves for two resistors. Identify the ohmic and non-ohmic resistors. Give a reason for your answer

Give two differences between an ohmic and non ohmic resistor.

STATEMENT 1: The current density vec J at any point in ohmic resistor is in direction of electric field vec E at that point . STATEMENT 2: A point charge when released from rest in a region having only electrostatic field always moves along electric lines of force.

STATEMENT 1: The current density vec J at any point in ohmic resistor is in direction of electric field vec E at that point . STATEMENT 2: A point charge when released from rest in a region having only electrostatic field always moves along electric lines of force.

Which of the following is an ohmic resistance ?

What is the non-stoichiometry defect in the crystals ?

Draw a graph of Potential difference (V) versus Current (I) for an ohmic resistor.

Draw a graph of potential difference (V) versus current (I) for an ohmic resistor.

ICSE-SELF ASSESSMENT PAPER 4-SECTION-B
  1. Draw a graph of potential difference (V) versus current (I) for an ohm...

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  2. How can you find the resistance of the resistor from this graph?

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  3. What is a non-ohmic resistor ?

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  4. Sometimes when a vehicle is driven at a particular speed, a rattling s...

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  5. Suggest one way by which the rattling sound could be stopped.

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  6. An electric bulb is marked 100 W, 250 V. What information does this co...

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  7. How much current will the bulb draw, if connected to a 250 V supply?

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  8. Draw a labelled ray diagram to illustrate (a) critical angle (b) total...

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  9. Write a formula to express the relationship between refractive index o...

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  10. A battery of e.m.f. 12 V and internal resistance 2 Omega is connected ...

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  11. A battery of e.m.f. 12 V and internal resistance 2 Omega is connected ...

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  12. A battery of e.m.f. 12 V and internal resistance 2 Omega is connected ...

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  13. A battery of e.m.f. 12 V and internal resistance 2 Omega is connected ...

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  14. Name the liquid which has the highest specific heat capacity.

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  15. Name two factors on which the heat absorbed or given out by a body dep...

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  16. An equal quantity of heat is supplied to two substances A and B. The s...

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  17. State in brief, the meaning of each of the following: The heat capac...

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  18. State in brief, the meaning of each of the following: The specific l...

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  19. State in brief, the meaning of each of the following: The specific h...

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  20. Radioactive materials as an alternative source of energy must be wisel...

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