Q.

Which of the following statements is correct ?

A. Mica capacitors are available in capacitance values of 5 to 20 \iF
B. Air capapitors have a black band to indicate the outside foil
C. Electrolytic capacitors must be connected in correct polarity
D. Ceramic capacitors must be con¬nected in correct polarity
Answer» C. Electrolytic capacitors must be connected in correct polarity
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