Air capacitor, Physics

Assignment Help:

Air dielectric capacitors are used mainly as laboratory standards of capacitance for measurement purposes. The insulating material used in these capacitances is fused silica and the whole capacitor is shielded in the metal case. They are very accurate (0.01 to 0.02%) but their size is large. The construction is parallel plate or concentric cylinder type. Plates are circular, square or triangular in shape. These metallic plates are insulated from each other and separated by air.

Specifications

Range of values                                                                     50pf to 10000pf

Tolerance                                                                     0.01 to 0.05%

Temperature coefficient                                                                     10ppm/0C

Applications: As residual inductance and resistance is low, they can be used at high radio frequencies. Also can be used a high voltage laboratory standards.

 

 


Related Discussions:- Air capacitor

How much percent conductivity of copper is less than silver, The conductivi...

The conductivity of copper is less than that of silver by (A) 5 - 10 %. (B) 50 - 60 %. (C) 80 - 90 %. (D) 20 - 30 %. Ans: The conductivity of copper

Describe what is one beat , If the intensity of sound is maximum at time t ...

If the intensity of sound is maximum at time t = 0, one beat is known as formed when intensity changes into maximum again after becoming minimum once in among.

Define under - over and critically damped oscillator, Briefly explain the e...

Briefly explain the equations describing under-damped, over damped and critically damped one-dimensional harmonic oscillator?

Explain the principle and working of a light emitting diode, Define, with t...

Define, with the help of a schematic diagram, the principle and working of a Light Emitting Diode. What criterion is kept in mind whereas choosing the semiconductor material for su

Maximum range, Maximum Range Suppose a cannonball launched from a canno...

Maximum Range Suppose a cannonball launched from a cannon at 3 various launch angles - 30-degrees, 45-degrees, and 60-degrees. The launch speed is held constant; just the angle

Explain simple pendulum, Explain Simple Pendulum Simple Pendulum : The...

Explain Simple Pendulum Simple Pendulum : The A point mass suspended by a weight less and inextensible string to a friction less support is known as a Simple pendulum.

Rate, What is rate of an assignment question?

What is rate of an assignment question?

Calculate the torque, A painter uses a 25.8-cm long screwdriver to pry the ...

A painter uses a 25.8-cm long screwdriver to pry the lid off of a can of paint. If a force of 85 N is applied to move the screwdriver 60.0° from the perpendicular, calculate t

Classification of dielectric, There are thousands of insulating materials a...

There are thousands of insulating materials available in the market. Insulations technology is one of the few branches where the number of materials is very large. Any special requ

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd