IndiaBIX

Electronics and Communication Engineering - Materials and Components

Exercise : Materials and Components - Section 6
16.
Two coaxial metallic cylinders have radii R1 and R2. The space between them is filled with a dielectric having dielectric constant ∈r. The capacitance per metre length is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The number of valence electrons in silicon atom is
4
2
1
zero
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
∈r is determined by the atomic structure of the dielectric.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
A rare gas has N atoms per m3. If electronic polarizability of single atom of this gas is ae, then
∈r = Nae
∈0∈r = Nae
∈0(∈r - 1) = Nae
∈0(∈r - 2) = Nae
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The colour code on a carbon resistor is brown-black-red-gold. The value of resistance is
100 Ω
1000 Ω
1000 Ω ± 5%
1000 Ω ± 10%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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