Path d is followed by electric field lines because electric field intensity inside the metallic sphere will be zero, therefore,... View Article
At the intersection point, if electric field lines cross each other, then there would be two directions of electric field... View Article
The electrostatic field lines do not form closed loop because no electric field line exist inside the charged body.
Properties of Electric Field Lines: (i) No field line originates or terminates in the space surrounding a charge. Every field... View Article
The field lines due to a single positive charge have shown. The field lines are directed radially outwards and end... View Article
Important characteristics of electric field lines: (i) A tangent to a field line gives the direction of \(\begin{array}{l}overrightarrow{E}\end{array} \)at that... View Article
An electric field line, a convenient (though imaginary) concept introduced by Michael Faraday is commonly used to represent an electric... View Article
Two charges of magnitudes +q and –q are placed at a distance 2a apart. Calculate the electric field at a... View Article
Paper moves towards the comb, i.e., in the direction of increasing \(\begin{array}{l}\underset{E}{\rightarrow}\end{array} \) It is important to remember that the field... View Article
Answer: Zero A pair of electric charges with an equal magnitude but opposite charges separated by a distance d is known... View Article
A line perpendicular to the axial line and passing through the midpoint of electric dipole is called its equatorial line.... View Article
A line passing through the positive and negative charges of the dipole is called the axial line of the electric... View Article
An electric dipole is characterised by a vector quantity\(\begin{array}{l}\vec{p}\end{array} \)called the electric dipole moment which is defined by \(\begin{array}{l}\vec{p}= q\times2\vec{a}\end{array}... View Article
An electric dipole consists of two equal and opposite charges, -q and +q, separated by a very small distance 2a.... View Article
Solved question 1: what is the drift velocity of electrons in a copper wire of cross-sectional area 1.5 mm2 when... View Article
We know that I = nAqVd from which we can say that Vd = I/nAq. In the given question, the... View Article
This is possible because an electric field is set up in the circuit as soon as it is closed, almost... View Article
Answer: Current density J is a vector quantity that is defined as the current flowing per unit area measured in... View Article
Mobility m is the magnitude of drift velocity per unit electric field. m = |Vd |/E = qt/ m The... View Article
Electric current flowing through a conductor I = nAqVd where A = cross-sectional area of the conductor, n= number of... View Article
