Search
.Management Sciences
Category: Electrostatics
An electrolytic capacitor is generally made to provide__________?
0
A. low capacitance
B. fixed capacitance
C. variable capacitance
D. large value of capacitance
The metallic spheres A and B of radii 2m and 4m respectively carry the same charge 4 x 10 8C. If the spheres are connected by a copper wire_______________?
A. charge will flow from A to B
B. charge will flow from B to A
C. no flow of charge will occur
D. both a and b are possible
Which one of the following can be taken as the measure of electric intensity ?
A. F/A
B. V/A
C. VF/A
D. q/VA
Which of the following material has least value of dielectric constant ?
A. Ceramics
B. Oil
C. Glass
D. Paper
A paper capacitor is usually available in the form of_____________?
A. tubes
B. rolled foil
C. disc
D. meshed plates
“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 absolute permittivity of free space is given by_____________?
A. 8.854 x 1(T9 F/m)
B. 8.854 x 1(T10 F/m)
C. 8.854 x KT11 F/m
D. 8.854 x 10″12 F/m
The capacitor preferred for high frequency circuits is_____________?
A. air capacitor
B. mica capacitor
C. electrolytic capacitor
D. none of the above
Which of the following capacitor is preferred in case of single phase motor ?
A. Mica capacitor
B. Paper capacitor
C. Electrolytic capacitor
D. Ceramic capacitor
Recent Comments