State faraday law of electro magnetic induction?
Answer: There are two laws in Faraday’s Laws of Electromagnetic Induction. The first law defines emf induction in a conductor,... View Article
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On what factor, does the magnitude of the emf induced in a circuit?
From faraday’s law \(\begin{array}{l}emf(e)=-frac{dphi }{dt}\end{array} \) rate of change of flux is directly proportional to the magnitude of emf.
Two spherical bobs one metallic and other one is glass of same size are allowed to free fall from same height above the ground which one would reach earlier and why?
In free fall mass cannot be a factor there is a possibility of electromagnetic induction in metallic bon due to... View Article
A long straight current carrying wire passes normally through the centre of circular loop if the current through the wire increases will there be an induced emf in the loop? justify?
As we know magnetic field lines closed loops magnetic field lines produced by the straight current carrying wire will make... View Article
Explain faraday experiment in details
Whenever the number of magnetic lines of forces in a circuit changes, an emf is produced and known as induced... View Article
Explain what is electro magnetic induction?
If we place conductor in electric field it gives rise to current flow in the conductor which in turns generates... View Article
In which of the following energy of 2s orbital is minimum? (a) Li (b) H (c) Na (d) K
Correct option (d) K For the electron in the same orbital, attraction is more for a larger atomic number. An increase... View Article
Give the usefulness of the energy level diagram of electron in an atom
The energy level diagram is useful for i) Filling up the electron in the energy levels, ii) Predicting the electronic... View Article
Explain energy level diagram for electronic transitions
Atomic spectrum shows multiple electronic transitions with characteristic energy lines of the atom. Presence of many spectral lines confirms the... View Article
Explain energy level diagram in details
The following, should be remembered in the energy level diagram- i) Matter containing atoms and molecules, may undergo, electronic transitions,... View Article
What is energy level diagram?
Introduction Matter absorbs energy and increases its internal energy. Depending upon the energy magnitude, matter utilizes the absorbed energy, for... View Article
Give few electric flux examples with explaination
Q) What is the flux due to electric field E = 3 × 103\(\begin{array}{l}hat{i},N{{C}^{-1}}\end{array} \) through side of the square... View Article
If the radius of the gaussian surface enclosing a charge is halved, how does the electric flux through the gaussian surface change?
According to question, electric flux (ϕ) due to a point charge enclosed by a spherical Gaussian surface is given by... View Article
A charge q is placed at the center of a cube of side l. what is the flux passing through each face of the cube?
By Gauss’ theorem, total electric flux linked with a closed surface is given by \(\begin{array}{l}phi =q/{{varepsilon }_{0}}\end{array} \) Where, q... View Article
Two charges of magnitudes – 2 q and + q are located at points (a, 0) and (4a, 0), respectively.what is the flux through the sphere of radii 3a due to charges?
By Gauss’ theorem states that the total electric flux linked with closed surface S is \(\begin{array}{l}{{phi }_{E}}=oint{Ecdot dS=q/{{varepsilon }_{0}}}\end{array} \)... View Article
What is the electric flux through a cube or side 1 cm which encloses an electric dipole?
Answer: The electric flux through any surface area is defined as the number of field lines that pass through that... View Article
How does the electric flux due to a point charge enclosed by a spherical gaussian surface get affected when its radius is increased?
According to question, electric flux (ϕ) due to a point charge enclosed by a spherical Gaussian surface is given by... View Article
Explain measurement of flux with examples
The total number of electric field lines passing a given area in a unit of time is defined as the... View Article
What is the definition of electric flux?
Electric flux through any surface area is defined as the number of field lines that pass through that area. In... View Article
Point charge (+q) is kept i the vicinity of an uncharged conducting plate. sketch electric field lines between the charge and the plate.
Equal charge of opposite nature induces in the surface of conductor nearer to the source charge. Electric lines of forces... View Article
