Which of the following statements is incorrect ?

A. The thinner the dielectric, the more the capacitance and the lower the voltage breakdown rating for a capacitor .
B. A six dot mica capacitor colour coded white, green, black, red and yellow has the capacitance value of 500 pF
C. Capacitors in series provide less capacitance but a higher voltage breakdown rating for the combination
D. A capacitor can store charge because it has a dielectric between two conductors

Related Mcqs:

Which of the following statements is incorrect _________________?
A. The leakage resistance of ceramic capacitors is generally high
B. The stored energy in a capacitor decreases with reduction in value of capacitance
C. The stored energy in a capacitor increases with applied voltage
D. A wire cable has distributed capacitance between the conductors
Which of the following statements is correct ___________?
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
Which of the following statements is correct ?
A. Mica capacitors are available in capacitance values of 5 to 20 uF
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 connected in correct polarity
Which of the following is not a vector ___________?
A. Linear momentum
B. Angular momentum
C. Electric field
D. Electric potential
Which of the following capacitors has relatively shorter shelf life____________?
A. Mica capacitor
B. Electrolytic capacitor
C. Ceramic capacitor
D. Paper capacitor
Which of the following materials has the highest value of dielectric constant___________?
A. Glass
B. Vacuum
C. Ceramics
D. Oil
Which is the most superior dielectric out of the following ?
A. Air
B. Glass
C. Bakelite
D. Paper
Mica capacitors are characterized by all of the following except___________?
A. stable operation
B. accurate value
C. low leakage reactance
D. low losses
Which of the following material has least value of dielectric constant ?
A. Ceramics
B. Oil
C. Glass
D. Paper
Which of the following capacitors is marked for polarity ?
A. Air
B. Paper
C. Mica
D. Electrolytic