Electrostatics MCQs with answers PDF for Electrical Engineering. Includes MCQs for MDCAT, online tests, and detailed questions and answers on electrostatics.
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 insulatorThe power dissipated in a pure capacitor is ____ .
A. proportional to value of capacitance
B. proportional to applied voltage
C. zero
D. None of themIn 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 themWhich of the following capacitors has relatively shorter shelf life?
A. Electrolytic capacitor
B. Paper capacitor
C. Mica capacitor
D. Ceramic capacitorWhich of the following capacitors will have the least variation?
A. Silver plated mica capacitor
B. Ceramic capacitor
C. Paper capacitor
D. None of themWhich of the following materials has the highest value of dielectric constant ?
A. Vacuum
B. Oil
C. Glass
D. CeramicsIn a capacitor the electric charge is stored in ____ .
A. dielectric
B. metal plates
C. both A. and B
D. NoneWhich of the following expression is correct for electric field strength?
A. E= nD2
B. E = D/E
C. E = D2/t
D. E = jtDThe dissipation factor of a good dielectric is of the order of _____ .
A. 0.02
B. 0.2
C. 0.0002
D. 0.002Which of the following is not a vector?
A. Electric field
B. Electric potential
C. Linear momentum
D. Angular momentum