Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 7 (Q.No. 43)
43.
A capacitance transducer has two plates each of area 5 mm2. The coil gap is 2 mm. Displacement sensitivity due to change in gap length is
11.1 pF/cm
44.2 pF/cm
52.3 pF/cm
66.3 pF/cm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
7 comments Page 1 of 1.

Harish said:   6 years ago
The formula is C = A.ε/D^2.

Where D is the distance between plates, A is area, ε = 8.854*10powerminus12.

Meenakshi said:   6 years ago
The value of Eo is 8.854x10^-12.

PawAN said:   8 years ago
It is 9.85*10^-12.

Rahul said:   8 years ago
What is the value of Eo?

Shinryuo said:   8 years ago
HEre, we can use Eo * (A/d) = ans/2.

R MAHENDRAN said:   9 years ago
Formula?

RC KASHYAP said:   9 years ago
What is the formula?

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