Small voltages generated by a conductor with current in an external magnetic field.
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Which of the following is a paramagnetic material?
Germanium atom has ______ protons and ______ electrons.
Which element has four valence electrons?
Paramagnetic substance has a relative permeability of
Whenever a conductor cuts magnetic fluxa an emf is induced in it. This is known as
A germanium atom has an atomic weight of72. How many neutrons are there?
If the number of valence electrons of an atom is less than 4a then the substance is probably
When a current carrying conductor is placed in a magnetic fielda the maximum force will act on the conductor…
Hydrogen is an example of a _____ material.
The reluctance of the magnetic circuit is ________ relative permeability of the material comprising…
The ability of a mechanically stressed ferromagnetic wire to recognize rapid switching of magnetization…
If the right handed bottle-opener cork screw is assumed to be along the conductor so as to advance in…
Which of the following statements is TRUE?
Flux density is measured in
What is the unit of reluctance?
The electrons in the last orbit of an atom are called _______ electrons.
Defined as a closed path in which magnetic induction or flux flows
The amount of magnetizing force to counter balance the resid magnetic material is referred to as
Permeance of a magnetic circuit is _________ the cross-sectional area of the circuit.
The force acting on a unit n- pole placed at that point is called
Hysteresis refers to the ______ between flux density of the material and the magnetizing force applied.
If the value of 25 of a conductor is 1/230 per oCa then the value of 0is
Amorphous solid is also called
When a conductor is stationary and the magnetic field is moving or changing the emf induced is called
The magnetic field around the conductor is determined by the
Which of the following materials has permeability slightly less than that of free space?
Which of the following materials has the highest dielectric strength?
One of the solid structures in which the position of the atoms or ions are predetermined
One coulomb of charge consists of ________ electrons.
How many neutrons does a copper atom have?
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