Which of the following statements is correct?
ACeramic capacitors must be connected in correct polarity
BMica capacitors are available in capacitance values of 5 to 20 uF
CAir capacitors have a black band to indicate the outside foil
DElectrolytic capacitors must be connected in correct polarity
Correct answer
D. Electrolytic capacitors must be connected in correct polarity
Explanation
The correct answer is Electrolytic capacitors must be connected in correct polarity.