Exercise: Materials And Components

Questions for: Materials And Components

Resistivity of rubber is about
A:
102 ฮฉ-m
B:
10-2 ฮฉ-m
C:
5 x 108 ฮฉ m
D:
5 x 1012 ฮฉ-m
Answer: D
No answer description is available. Let's discuss.
๐Ÿ“–
๐Ÿ“
๐Ÿ’ฌ
๐Ÿ‘๏ธ

Assertion (A): Helium, Argon and Neon are gaseous at room temperature.

Reason (R): The atoms in Helium, Argon and Neon are chemically extremely inactive.

A:
Both A and R are true and R is correct explanation of A
B:
Both A and R are true but R is not correct explanation of A
C:
A is true but R is false
D:
A is false but R is true
Answer: A
No answer description is available. Let's discuss.
๐Ÿ“–
๐Ÿ“
๐Ÿ’ฌ
๐Ÿ‘๏ธ
The temperature coefficient of a thermistor
A:
is positive
B:
is negative
C:
zero
D:
may be positive or negative depending on its composition
Answer: B
No answer description is available. Let's discuss.
๐Ÿ“–
๐Ÿ“
๐Ÿ’ฌ
๐Ÿ‘๏ธ
Some typical examples of macroscopic quantities are
A:
conductivity
B:
ยตr
C:
dielectric constant
D:
all of the above
Answer: D
No answer description is available. Let's discuss.
๐Ÿ“–
๐Ÿ“
๐Ÿ’ฌ
๐Ÿ‘๏ธ
The colour code on a carbon resistor is red-red-black-silver. The value of resistor is
A:
22000 ฮฉ
B:
2200 ฮฉ
C:
22 ยฑ 5% ฮฉ
D:
22 ยฑ 10% ฮฉ
Answer: D
No answer description is available. Let's discuss.
๐Ÿ“–
๐Ÿ“
๐Ÿ’ฌ
๐Ÿ‘๏ธ
Ad Slot (Above Pagination)
Quiz