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Electronics and Communication Engineering - Materials and Components

Exercise : Materials and Components - Section 6
6.
Hysteresis curve is associated with motion of domain walls.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
The number of protons in germanium atom is
4
16
28
32
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Sulphur hexafluoride is used in
transformers
generators
relays
circuit breakers
Answer: Option
Explanation:

Sulphur hexafluoride is used in circuit breakers for arc quenching and insulation.

9.
The number of valence electrons in trivalent impurity is
5
4
3
1
Answer: Option
Explanation:

Trivalent means 3 valence electrons.

10.
The v-i characteristic shown in the given figure is for
thermistor
photoconductor
varistor
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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