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Electronics and Communication Engineering - Materials and Components

Exercise : Materials and Components - Section 3
6.
Resistivity of rubber is about
102 Ω-m
10-2 Ω-m
5 x 108 Ω m
5 x 1012 Ω-m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
An iron specimen has µr = 1000 when B = 0.3 T. If B = 0.35 T, µr
will be 1000
will be less than 1000
will be more than 1000
may be more or less than 1000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Which solid dielectric has highest temperature limit?
E
H
C
F
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Permeability is analogous to
resistivity
retentivity
conductivity
coercivity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The colour code on a carbon resistor is green-blue-yellow. The tolerance is
± 5%
± 10%
± 20%
± 30%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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