If the number of valence electrons of an atom is more than 4a the substance is called
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Electric potential is a _______ quantity.
What solid has no defined crystal structure except perhaps in the arrangement of the nearest neighboring…
Electric field intensity at a point is numerically equal to ________ at that point.
Electronic current in a wire is the flow of ____________ electrons.
The quantity 10^6 maxwells is equivalent to one
A law stating that the magnetic susceptibilities of most paramagnetic substances are inversely proportional…
Small voltages generated by a conductor with current in an external magnetic field.
If the distance between two magnetic poles decreases by 2 timesa the force between them
What is the diameter of an atom?
If a magnetic flux cuts across 200 turns at a rate of 2Wb/sa the induced voltage according to Faraday's…
In electro-mechanical conversion devices like generators and motors the reason why a small air gap is…
Hysteresis refers to the ______ between flux density of the material and the magnetizing force applied.
When the ferromagnetic substance is inserted in a current- carrying solenoida the magnetic field is
The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…
The air space between poles of magnets
The force between two charges placed a given distance apart ______ as the relative permittivity of the…
When a current carrying conductor is placed in a magnetic fielda the maximum force will act on the conductor…
Mmf in a magnetic circuit corresponds to _____ in an electric circuit
Which of the following materials has the least hysteresis loop area?
A law establishing the fact that the algebraic su of the rises and drops of the mmf around a closed…
Ohm's law can be used only to a _____ circuit or component.
Three charges of +5 Ca -6 C and +9 C are placed inside a sphere. What is the total flux passing through…
Who discovered that a current-carrying conductor would move when placed in a magnetic field?
States that the ratio of the thermal conductivity is proportional to the absolute temperature for all…
One weber of flux is equal to _______ magnetic lines of force.
The net electrical charge in an isolated system remains constant. This is known as
The resistance of a material is ____________ its area of cross-section.
What is used as the insulating material or dielectric in an electric ion
The customary energy unit in atomic and nuclear physics is
Paramagnetic substance has a relative permeability of
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