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Which of the following is a non metallic...

Which of the following is a non metallic conductor

A

Diode

B

Transistor

C

Solar cell

D

All of these

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AAKASH INSTITUTE-CURRENT ELECTRICITY-ASSIGNMENT(SECTION-A(OBJECTIVE TYPE QUESTIONS))
  1. If the length of a conductor is increased by 100% keeping its area of...

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  2. If the radius of cross-section of the conductor is increased by 0.1 % ...

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  3. Which of the following is a non metallic conductor

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  4. If vec(j) and vec(E ) are current density and electric field respectiv...

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  5. Current density vec(j ) at an area vec( A) = ( 2 hat(i ) + 3 hat(j)...

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  6. Which of the following represents the ohm's law ?

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  7. The ratio of magnitude of current density and magnitude of electric fi...

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  8. Conductivity of a conductor of length L and radius of cross-section r ...

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  9. Resistance of the conductor of length 5m and area of cross -section 4...

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  10. When electric field is applied inside a conductor then free electron ...

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  11. If n,e,A and v(d) are free electron density inside conductor , charge...

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  12. If n ,e,m and tau are free electron density in conductor , charge of ...

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  13. A current of 10 A is maintained in a conductor of cross-section 1 cm^(...

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  14. Two wires A an dB of the same material, having radii in the ratio I : ...

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  15. If mu is the mobility of free electrons inside a conductor , then m...

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  16. A potential difference of 5V is applied across a conductor of length ...

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  17. The SI unit of electron mobility is :

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  18. When electric field inside a conductor is E, mobility of free electron...

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  19. What is the range of resistivity of metallic conductors?

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  20. Wire bond resistances used in resistance boxes are made up of

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