MyQuestionIcon

5

You visited us 5 times! Enjoying our articles? Unlock Full Access!

Electric Potential and Potential Difference

To reduce the...

Question

To reduce the effect of fringing in a capacitive type transducer,

A

the transducer is shielded and the shield is kept at ground potential

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

a guard ring is provided and it is kept at ground potential

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

the transducer is shielded and the shield is kept at the same potential as the moving plate

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

a guard ring is provided and it is kept at the same potential as the moving plate

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B a guard ring is provided and it is kept at ground potential

a guard ring is provided and it is kept at ground potential

Suggest Corrections

thumbs-up

0

Similar questions

Q. To avoid the effect of fringing, the potential of the guard ring of a capacitance transducer, shown in figure is to be made equal to

Q. A signal conditioning circuit suitable for a push-pull type capacitive transducer is given in figure. The output

V_{0}

Q. A pressure measuring instrument uses a capacitive transducer having a spacing of 4mm between its diaphragh. A pressure of

600 k N / m^{2}

produces an average deflection of 0.3mm of the diaphragm of the transducer. The transducer which has a capacitance of 300 pF before application of pressure & is connected in an oscillator circuit having a frequency of 100 kHz. The change in frequency (in kHz) of the oscillator after the pressure is applied to the transducer is

Q. A parallel plate capacitive transducer uses plates of area 500 mm

^{2}

which are separated by a distance of 0.2 mm. The dielectric medium between the plates is air having permittivity of

8.85 \times 10^{- 12} F / m .

If a linear displacement reduces the distance between the plates to 0.18 mm, then the change in capacitance is___________pF.

Q. A capacitive transducer is used for measurement of displacement using an opertional amplifier as shown in the figure.

If the capacitance of capacitive transducer is given by

C_{x} = ϵ_{0} A / x

A

is the area of the plates and

x

is distance between the plate. Then the relationship between the output voltage

V_{0}

and input displacement is given by

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

The Idea of Potential Part 1

PHYSICS

Watch in App

explore_more_icon

Explore more

Electric Potential and Potential Difference

Standard X Physics

Join BYJU'S Learning Program

CrossIcon