derivation for energy stored in a capacitor?
a non conducting ring of radius 0.5 m carries a total charge of 1.11*10-10 C distributed non uniformly on it's circumference producing electric field E vector everywhere in the space . the value of the line integral ∫ -E. dl ( llower limit =infinity , upper limit = 0) (=0 being at the centre of the ring ) in volts is
show that there is always a loss of energy when two capacitors charged to different potentials share charge
why is electrostatic potential constant throughout the volume of the conductor and has the same value(as inside) on its surface??
Draw an equipotential surface in a uniform electric field...
Electric potential in an electric field is given by v=K/r ( K=const). If the posiion vector r = 2i + 3j + 6k, the electric field is given by
A) ( 2i + 3j + 6k) / 243
B) (2i + 3j + 6k) / 343
C) (3i + 2j + 6k) / 243
D) (6i + 2j + 6k) 343
Plz do all the proper.
A 10 micro faran capacitor is charged by a 30V dc supply & then connected across an uncharged capacitor of 50 micro faran. Calculate the(1) final potential difference across the combination & the (2)initial & final energies. How will you account for the difference in energies?
derivation of electric potential at a point on axial line of an electric dipole
Two electrons are moving towards each other,each with a velocity of 106m/s.What will be losest distance of approach between them?
draw schematically an equipotential surface of a uniform electrostatic field along x-axis.
answer soon pls
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