Q. Which of the following statements is correct ? (Solved)
1. Mica capacitors are available in capacitance values of 5 to 20 \iF
2. Air capapitors have a black band to indicate the outside foil
3. Electrolytic capacitors must be connected in correct polarity
4. Ceramic capacitors must be con¬nected in correct polarity
- c. Electrolytic capacitors must be connected in correct polarity