As the potential of equipotent surface is constant, therefore the amount of work done could be, W = q (Vf –... View Article
The electrostatic potential energy will be negative if the charges have opposite sign and positive if the charges have the... View Article
Given: Q = 20 C dC = 8 V – 4.5 V = 3.5 V W = -Q dV... View Article
Since all capacitance are same, potential across XY will be zero. Hence, third capacitance will remain ineffective. Therefore, equivalent capacitance... View Article
The dielectric constant of metals is infinite. The dielectric constant of metal is infinite as the net electric field inside... View Article
The capacity of a conductor depends upon the following factors Shape and size of the conductor Medium between them Presence... View Article
The units of magnetic pole strength is (A-m) and magnetic dipole moment of a bar magnet is (JT-1)
The amount of force experienced by a current carrying conductor placed in a magnetic field depends on (i) the current... View Article
As a positive charge moves down the potential gradient, its kinetic energy increases.
The direction of the equipotential surface is perpendicular to the uniform electric field lines. What is the equipotential surface? Any surface having... View Article
Magnetic Declination is the angle between magnetic north and true north. Magnetic Declination The parameters describing the magnetic field’s direction... View Article
When three capacitors connected in series then the capacitance is minimum. When three capacitors connected in parallel then the capacitance... View Article
If we place a bar magnet in the magnetic meridian with its north pole towards geographic north, the neutral point... View Article
As the copper has high electrical conductivity. Hence, higher e.m.f would be induced in copper loop.
The extent of polarization depends on the relative strength of two mutually opposite factors: the dipole potential energy in the... View Article
The angle of dip at a place where horizontal component of earth’s magnetic field is equal to the vertical component... View Article
If a diamagnetic substance is brought near north or south pole of a bar magnet, it is repelled by the... View Article
(a)changes every 1/4 revolution (b)does not change (c)change every 1/2 revolution (d)changes every 1 revolution Flux of the magnetic field... View Article
A) Equator B) Latitude 30 C) Latitude 60 D) Poles At the poles of the copper rod, the earth’s magnetic field... View Article
A perpendicular bisector can be defined as a line that intersects another line segment perpendicularly and divides it into two... View Article
