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Materials And Components
Exercise: Materials And Components
๐ Materials And Components
โ
Questions for: Materials And Components
The resistivity of intrinsic semiconductors, at room temperature, is of the order of
A:
1 ฮฉ-m
B:
1000 ฮฉ-m
C:
10
6
ฮฉ-m
D:
10
-3
ฮฉ-m
Answer:
A
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Post
The colour code on a carbon resistor is green-blue-yellow. The tolerance is
A:
ยฑ 5%
B:
ยฑ 10%
C:
ยฑ 20%
D:
ยฑ 30%
Answer:
C
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Post
Permeability is analogous to
A:
resistivity
B:
retentivity
C:
conductivity
D:
coercivity
Answer:
C
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Post
Which solid dielectric has highest temperature limit?
A:
E
B:
H
C:
C
D:
F
Answer:
C
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Post
An iron specimen has ยต
r
= 1000 when B = 0.3 T. If B = 0.35 T, ยต
r
A:
will be 1000
B:
will be less than 1000
C:
will be more than 1000
D:
may be more or less than 1000
Answer:
D
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