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...
A. show low resistance momentarily and back off to a very high resistance B. show high resistance momentarily and then a very low resistance C. go quickly to 50 ohm approximately and remain there D. not move at all...
A. glass rod acquires negative charge while silk acquires positive charge B. glass rod acquires positive charge while silk acquires negative charges C. both glass rod and silk acquire negative charge D. both glass rod and silk acquire positive charge...
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