Which of the following statements is correct ___________?

A. Air capacitors have a black band to indicate the outside foil

B. Electrolytic capacitor must be connected in the correct polarityCorrect Answer

C. Ceramic capacitors must be connected in the correct polarity

D. Mica capacitors are available in capacitance value of 1 to 10 pF

Correct Option: B. Electrolytic capacitor must be connected in the correct polarity

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