The capacitance of a capacitor is not affected by _____ .
A. area of plates
B. thickness of plates
C. distance between plates
D. all of the above
Electrostatics
electrostatics Mcqs
An electrolytic capacitor can be used for _____ .
A. AC. only
B. D.C. only
C. both D.C. as well as A.C.
D. None of them
A dielectric material must be _____ .
A. good conductor
B. semi conductor
C. resistor
D. insulator
If three 15 uF capacitors are connected in series, the net capacitance is _____ .
A. 50 uF
B. 5 uF
C. 30 uF
D. 45 uF
The units of capacitance are _____.
A. ohms
B. henry/Wb
C. volts/coulomb
D. coulombs/volt
For making a capacitor, it is better to select a dielectric having:
A. high permittivity
B. permittivity slightly more than that of air
C. low permittivity
D. permittivity same as that of air
A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is _____ .
A. 0.6 F
B. 0.8 F
C. 0.12 F
D. 0.024 F
The ability of charged bodies to exert force on 6ne another is attributed to the existence of _____.
A. protons
B. neutrons
C. electric field
D. electrons
A field line and an equipotential surface are ____.
A. inclined at any angle 0
B. always parallel
C. always at 90°
D. None of them
The direction of electric field due +0 positive charge is _____.
A. towards the charge
B. away from the charge
C. both A and B
D. None