A. The current in the discharging capacitor grows linearly
B. The current in the dicharging capacitor grows exponentially
C. The current in the discharging capacitor decays exponentially
D. The current in the discharging capacitor decreases constantly
Related Mcqs:
- “The total electric flux through any closed surface surrounding charges is equal to the amount oflcharge enclosed”. The above statement is associated with____________?
A. Coulomb’s square law
B. Gauss’s law
C. Maxwell’s first law
D. Maxwell’s second law - “The surface integral of the normal component of the electric displacement D over any closed surface equals the charge enclosed by the surface”. The above statement is associated with_______?
A. Gauss’s law
B. Kirchhoff s law
C. Faraday’s law
D. Lenz’s law - select the correct statement?
A. the electric lines of force have no physical existence
B. they expand laterally and contract longitudinally
C. they do not cross each other and group together in dielectric
D. all the above statements are true - select the only wrong statement?
A. similar charges repel each other
B. dissimilar charges attract each other
C. repulsion is the sure test of electrification
D. an electrically neutral body is repelled both positively and negatively charged bodies - Which of the following capacitors has relatively shorter shelf life____________?
A. Mica capacitor
B. Electrolytic capacitor
C. Ceramic capacitor
D. Paper capacitor - Which is the most superior dielectric out of the following ?
A. Air
B. Glass
C. Bakelite
D. Paper - 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 - For closer tolerances which of the following capacitors is usually preferred ?
A. Paper capacitor
B. Mica capacitor
C. Ceramic disc capacitor
D. None of the above - Which of the following material has least value of dielectric constant ?
A. Ceramics
B. Oil
C. Glass
D. Paper - 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
