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Dielectric Constant

Dielectric Constant

Product Details:

  • Voltage 230 V AC,50 Hz Volt (v)
  • Application Lab Equipment
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Price And Quantity

Product Specifications

  • Lab Equipment
  • 230 V AC,50 Hz Volt (v)

Product Description


Principle and Working:

The relation between capacitance C, charge Qand charging voltage E is given as C=Q/E. The capacitance of a parallel platecapacitor depends upon the distance d between the plates, area A of the platesand the nonconductive material (having dielectric constant er) between theplates. Thus capacitance is

C = εr ε0 A/d

Where ε0 = 8.85 x 10-12 As/Vm (permittivityin free space),

In present setup, the parallel plate arecharged by 600 V DC power supply. The charge Q on the parallel plate ismeasured by electrometer amplifier as voltage. The distance between plate isadjusted by placing spacer on the edges of plate.


  • To determine the capacitance of platecapacitor by charge measurement.
  • To measure the capacitance as a function ofarea of plates.
  • To measure the capacitance as a function ofdistance between the plates.
  • To determine the dielectric constant ofdifferent dielectric materials .



  • Charge measurement by electrometer amplifier.
  • All electrical connections are made usingsafety sockets.
  • Capacitors plates are attached to insulatedriders.
  • Electrical safety tested.



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