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Which medium has the highest dielectric strength?(a) Water(b) Mica(c) Air(d) GlassThe question was posed to me during an interview.Query is from Dielectric Strength topic in portion Capacitance and Capacitors of Basic Electrical Engineering |
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Answer» RIGHT answer is (c) Air For explanation I WOULD say: The better material is to prevent electrical conductivity, higher the dielectric strength. And the air is the BEST INSULATOR so it has high dielectric strength. |
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