1. |
From following what is true about convection current.
(i) involves conductors
(ii) does not satisfies ohm's law
(iii) flow of electron in vaccum tube from cathode to anode is its example.
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Answer:
Option (c) |
2. |
If the characteristics of the material are independent of the direction of the vector fields, the material is __________
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Answer:
Option (a) |
3. |
If the parameters of the material do not depend no the magnitude of the field quantities then the material is __________ .
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Answer:
Option (b) |
4. |
Following are properties of a perfect conductor except ___________.
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Answer:
Option (c) |
5. |
For a metallic conductor, the current density is proportional to electric field intensity where the proportionality constant is conductivity, This is expressed by ________,
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Answer:
Option (b) |
6. |
The continuity equation is a combination of which of the two laws?
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Answer:
Option (a) |
7. |
Find the current at time t = 2 seconds if the charge is given as function of time
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Answer:
Option (c) |
8. |
The charge within a conductor will be
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Answer:
Option (c) |
9. |
Which component of the electric field intensity is always continuous at the boundary of the dielectric-dielectric
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Answer:
Option (d) |
10. |
Find the electric field if the surface density at the boundary of air is
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Answer:
Option (c) |