Q.

Which of the following statements is correct ?

A. Air capacitors have a blackband to indicate the outside foil
B. Electrolytic capacitor must be con¬nected in the correct polarity
C. Ceramic capacitors must be con¬nected in the correct polarity
D. Mica capacitors are available in capacitance value of 1 to 10 pF
Answer» B. Electrolytic capacitor must be con¬nected in the correct polarity
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