A. Air capacitors have a black band to indicate the outside foil
B. Electrolytic capacitor must be connected in the correct polarity
C. Ceramic capacitors must be connected in the correct polarity
D. Mica capacitors are available in capacitance value of 1 to 10 pF
Correct Answer: Electrolytic capacitor must be connected in the correct polarity ✔
Last Updated: December 15, 2018