Tag: dielectric substances and polarization
Questions Related to dielectric substances and polarization
Dielectric constant for a metal is:
A parallel plate condenser of capacity $10\mu F$ is connected to an A.C. supply voltage $e = 4\sin \left( {100\pi t} \right)$. The maximum displacement current:
Which of the following can be used as dielectric?
Which of the following is/are non-polar dielectrics?
Breakdown voltage is
$A$. voltage at which dielectric behaves as conductor
$B$. voltage at which molecules starts flowing inside the dielectric freely.
Which of the following is correct regarding above case,
Which of the following statement is false in context of dielectric?
If $C$ is the value of the capacitance of a capacitor filled with a given dielectric and $a$ is the capacitance of an identical capacitor in a vacuum, the dielectric constant, symbolized by the Greek letter kappa, , is simply expressed as
The value of the dielectric constant at room temperature (25 C, or 77 F) for air is
Which of the following is polar dielectrics?
The insertion of a dielectric between the plates of a parallel-plate capacitor always