Two spherical conductors A and B of radii 1 mm and 2 mm are separated by a distance
Two spherical conductors A and B of radii 1 mm and 2 mm are separated by a distance of 5…
7 years ago
Electrostatics
An electric dipole of moment p is lying along a uniform electric field E. The work
An electric dipole of moment p is lying along a uniform electric field E. The work done in rotating the…
7 years ago
A parallel plate air capacitor is charged to a potential difference of V volts.
A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the…
7 years ago
The voltage of clouds is 4×10⁶ volt with respect to ground. In a lightening
The voltage of clouds is 4x10⁶ volt with respect to ground. In a lightening strike lasting 100 m sec, a…
7 years ago
The order of the electric field near the earth’s surface is
The order of the electric field near the earth's surface is Options (a) 100 v/m (b) 500 v/m (c) 200…
7 years ago
Two point charges +2 coulomb and +10 coulomb repel each other with a force of 12 N.
Two point charges +2 coulomb and +10 coulomb repel each other with a force of 12 N. Charges of -2…
7 years ago
A parallel plate capacitor of a capacitance 1 pF has seperation between the plates
A parallel plate capacitor of a capacitance 1 pF has seperation between the plates is d. When the distance of…
7 years ago
The specific charge of a proton is 9.6×10⁷ C/kg. The specific charge of an alpha particle
The specific charge of a proton is 9.6x10⁷ C/kg. The specific charge of an alpha particle will be Options (a)…
7 years ago
The unit of permitivity of free space, ε₀ is
The unit of permitivity of free space, ε₀ is Options (a) coulomb/newton-metre (b) Newton x metre²/coulomb² (c) coulomb²/newton-metre² (d) coulomb²/(newton…
7 years ago
A spherical drop of mercury having a potential of 2.5 v is obtained as a result
A spherical drop of mercury having a potential of 2.5 v is obtained as a result of merging 125 droplets.…
7 years ago