Conduction Band
Trending Questions
Q. The figure shows two conducting concentric sperical shells of radii R and 2R.
The inner shell has a charge +Q and the outer one is neutral.
The inner shell has a charge +Q and the outer one is neutral.
![](https://s3-us-west-2.amazonaws.com/infinitestudent-images/ckeditor_assets/pictures/401023/original_23.png)
(A) | Energy stored in region given by R < r < 2R | P) Q232πϵoR | ||
(B) | Energy stored in region given by 2R<r<∞ |
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(C) | Energy stored in region given by 2R < r < 4R | R) Q28πϵoR | ||
(D) | Heat generated when switch S is closed | S) zero |
T) None |
- A → Q, B → Q, C → P, D → Q,
- A → R, B → Q, C → S, D → S,
- A → R, B → R, C → P, D → Q,
- A → Q, B → R, C → S, D → S,
Q. In an electron capture, characteristic X-rays are emitted.
- True
- False
Q.
Number of secondary electrons emitted per number of primary electrons depends on [RPET 2000]
Material of target
Frequency of primary electrons
Intensity
- None of the above
Q.
Number of secondary electrons emitted per number of primary electrons depends on [RPET 2000]
Material of target
Frequency of primary electrons
Intensity
- None of the above
Q.
Number of secondary electrons emitted per number of primary electrons depends on [RPET 2000]
Material of target
Frequency of primary electrons
Intensity
- None of the above