Physics for Electrical Engineering: Unit I: Dielectric Materials and Insulation
Assignment Problems
Dielectric Materials and Insulation | Physics for Electrical Engineering
Physics for Electrical Engineering: Unit I: Dielectric Materials and Insulation : Assignment Problems
ASSIGNMENT PROBLEMS
1.
A parallel plate capacitor of area 650 mm2 separation of 4 mm has a
charge of 2 × 10-10 is the resultant voltage across the capacitor
when a material of dielectric constant 3.5 is introduced between the plates. [Ans: 39.73 V]
2.
The atomic weight and density of sulphur are 32 and 2.08 gm/cm3
respectively. The electronic polarisability of the atom is 3.28 × 10-40
Fm2. If sulphur solid has cubical symmetry, what will be its
relative dielectric constant.[Ans: εr=
2.45]
3.
The number of atoms in volume of one cubic metre of hydrogen gas is 9.8 x 1026. The
radius of the hydrogen atom is 0.53 Å. Calculate the polarisability and
relative permittivity. [Ans: εr=
1.0018, αe = 1.655 x 10-41 Fm2]
Physics for Electrical Engineering: Unit I: Dielectric Materials and Insulation : Tag: : Dielectric Materials and Insulation | Physics for Electrical Engineering - Assignment Problems
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Physics for Electrical Engineering
PH3202 2nd Semester 2021 Regulation | 2nd Semester EEE Dept 2021 Regulation