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Read the given statements and conclusions carefully and choose which of the conclusions logically follows from the statement. Statements: I. All cups are porcelain. II. Some porcelain are white. Conclusion: 1. Some white are porcelain. 2. No cup is white.
What is the dielectric strength, coefficient of thermal expansion of glass with respect to porcelain insulators?
Consider a three-phase. 50 Hz, 11 kV distribution system, Each of the conductors is suspended by an insulator string having two identical porcelain insulators. The self-capacitance of the insulator is 5 times the shunt capacitance between the link and the ground, as shown in the figure. The voltage across the two insulators are
Glass has lower tensile strength compared to porcelain insulators.
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: The crystallinity of ceramic materials ranges from highly oriented to semi-crystalline, vitrified, and often completely amorphous.  B: A ceramic is a solid material comprising an inorganic compound of metal or metalloid and non- metal with ionic or covalent bonds. C: Most often, fired ceramics are either vitrified or semi-vitrified as is the case with earthenware, stoneware, and porcelain. D: Common examples of ceramic are earthenware, porcelain, and brick.
Which of the following is not a constituent for making porcelain insulators?
In which of the following type of circuit breaker the interrupters are supported on porcelain insulators?
A dielectric and a conductor are placed in an external electric field of magnitude Eext. The charge density induced at the surface of the dielectric and the conductor are σd and σe respectively.  The net electric field inside the dielectric and the conductor are Ed and Ec respectively. Then, 
If a dielectric resonator has a dielectric constant of 49, then the reflection coefficient of the dielectric resonator is:
Two dielectric materials A and B exhibit both ionic and orientational polarizabilities. The variation of their susceptibilities $$\chi \left( { = {\varepsilon _r} - 1} \right)$$   with temperature T is shown in the figure, where $${\varepsilon _r}$$ is the relative dielectric constant. It can be inferred from the figure that
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