The direction of electric field due +0 positive charge is
Q. The direction of electric field due +0 positive charge is . away from the charge towards the charge both […]
Electrostatics MCQs
If three 15 uF capacitors are connected in series, the net capacitance is
Q. If three 15 uF capacitors are connected in series, the net capacitance is 5 uF 30 uF 45 uF
For making a capacitor, it is better to select a dielectric having
Q. For making a capacitor, it is better to select a dielectric having low permittivity high permittivity permittivity same as
A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is
Q. A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is 0.024 F 0.12 F 0.6 F 0.8 F
If the sheet of a bakelite is inserted between the plates of an air capacitor, the capacitance will
Q. If the sheet of a bakelite is inserted between the plates of an air capacitor, the capacitance will decrease
The ability of charged bodies to exert force on 6ne another is attributed to the existence of
Q. The ability of charged bodies to exert force on 6ne another is attributed to the existence of electrons protons
An electrolytic capacitor can be used for
Q. An electrolytic capacitor can be used for D.C. only AC. only both D.C. as well as A.C. Answer: D.C.
In electrostatic air cleaner, air mixed with dust and pollen enters device across
Q. In electrostatic air cleaner, air mixed with dust and pollen enters device across positively charged mesh negatively charged mesh
If a charged rod is brought closer to a gas filled balloon then
Q. If a charged rod is brought closer to a gas filled balloon then Radius decreases Balloon bursts Radius increase
Coulomb’s force between 2 point charges 10µC and 5µC placed at a distance of 150cm is
Q. Coulomb’s force between 2 point charges 10µC and 5µC placed at a distance of 150cm is 0.2 N 0.5