short note on mica capacitors
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Answer:
Mica capacitors
Mica capacitors, also known as silver mica capacitors, are capacitors that offer high precision, reliability and stability. They are available in small values and are generally used at high frequencies and in situations where low losses and low capacitor change over time are required.Mica is represented by a black or white dot and paper by a silver dot or dot having the same color as the body of the capacitor. The two dots to the immediate right of the type dot indicate the first and second digits of the capacitance value. The dot at the bottom right represents the multiplier to be used.
Answer:
The mica group of sheet silicate(phyllosilicate) minerals includes several closely related materials having nearly perfect basal cleavage. All aremonoclinic, with a tendency towards pseudohexagonal crystals, and are similar in chemical composition. The nearly perfect cleavage, which is the most prominent characteristic of mica, is explained by the hexagonal sheet-like arrangement of its atoms
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