Nichicon  NAVI Nichicon Now Quiz Introduction to Nichicon capacitors Main Projects Involving Nichicon Audio and Nichicon
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Q8 The main materials used for capacitors are insulators (dielectrics) and electrodes. An unexpected electrode material is used to fabricate large-capacitance capacitors. What is it?

1) Activated charcoal     2) Diatomaceous earth     3) Calcium
 
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