Amorphous solid is also called
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The force between two magnetic poles is _____ the relative permeability of the medium.
Which of the following statements is TRUE?
The B-H curve of ________ is not a straight line.
What is the value of the absolute permittivity of air?
It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
A positively charged body has
The point in a magnet where the intensity of magnetic lines of force is maximum
Who developed the electromagnetic theory of light in 1862?
Core materials of a good relay have _________ hysteresis loop.
How much is the flux in Weber in the above problem?
The energy stored in an electrostatic field or electromagnetic field is called
A commercial alloy of aluminum nickela and iron with cobalta copper and titanium added to produce about…
The uncharged particles which have no effect on its atomic charge.
If on looking at any one end of a solenoid; the direction of current flow is found to be clockwise then…
If the length and area of cross-section of a wire are doubleda then its resistance
Magnetic fields do not interact with
The permeability of a material having a flux density of 5 Wb/m^2 is 10^-5 H/m. What is the value of…
Mmf in a magnetic circuit corresponds to _____ in an electric circuit
The electrons in the last orbit of an atom are called _______ electrons.
A test charge means a charge of
The straight line passing through the two poles of magnet is called
Which of the following electric quantities is vector in character?
Electrons at the outer shell are called
The evaporation of electrons from a heated surface is called
Electric lines of force leave or enter the charge surface at an angle of
The force of attraction or repulsion between two magnetic poles is directly proportional to their strengths.
Electron is a Greek word for
The dielectric constant of most materials lies between
A magnetic field is
The B-H curve for ________ is a straight line passing through the origin.
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