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The conducting medium in which flow of ...

The conducting medium in which flow of positive ions and negative ions develop currnt through the medium is known as

A

Metal

B

Semiconductor

C

Electrolyte solution

D

Insulators

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AAKASH INSTITUTE-CURRENT ELECTRICITY-ASSIGNMENT(SECTION-A(OBJECTIVE TYPE QUESTIONS))
  1. Thermal speed v of free electrons in a conductor at absolute temperaur...

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  2. When a circuit is switched on, current flows through the circuit with...

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  3. The conducting medium in which flow of positive ions and negative ion...

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  4. If V is the potential difference between the ends of conductor and l i...

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  5. The resistance of a conductor depends on its

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  6. If the length of a conductor is increased by 100% keeping its area of...

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

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  8. Which of the following is a non metallic conductor

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

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

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

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

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

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

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

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

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

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

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

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

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