A capacitor consists of _____ .
A. two insulators only
B. two conductors only
C. two insulators separated by a conductor
D. two conductors separated by an insulator
Electrostatics
electrostatics Mcqs
The power dissipated in a pure capacitor is ____ .
A. proportional to value of capacitance
B. proportional to applied voltage
C. zero
D. None of them
In a capacitive circuit _____.
A. decrease in applied voltage makes a capacitor charge
B. a steady value of applied voltage causes discharge
C. an increase in applied voltage makes a capacitor charge
D. None of them
Which of the following capacitors has relatively shorter shelf life?
A. Electrolytic capacitor
B. Paper capacitor
C. Mica capacitor
D. Ceramic capacitor
Which of the following capacitors will have the least variation?
A. Silver plated mica capacitor
B. Ceramic capacitor
C. Paper capacitor
D. None of them
Which of the following materials has the highest value of dielectric constant ?
A. Vacuum
B. Oil
C. Glass
D. Ceramics
In a capacitor the electric charge is stored in ____ .
A. dielectric
B. metal plates
C. both A. and B
D. None
Which of the following expression is correct for electric field strength?
A. E= nD2
B. E = D/E
C. E = D2/t
D. E = jtD
The dissipation factor of a good dielectric is of the order of _____ .
A. 0.02
B. 0.2
C. 0.0002
D. 0.002
Which of the following is not a vector?
A. Electric field
B. Electric potential
C. Linear momentum
D. Angular momentum