Related Questions
What is the correct answer?
4
The current of electric circuit is analogous to which quantity of a m
What is the correct answer?
4
The idea of preventing one component from affecting another through their common electric and magnetic field is referred to as
What is the correct answer?
4
What is the SI unit of conductance?
What is the correct answer?
4
Core materials of a good relay have _________ hysteresis loop.
What is the correct answer?
4
The magnetic field of a bar magnet most closely resembles the magnetic field of
B. a straight current- carrying wire
C. a stream of electrons moving parallel to one another
D. a current- carrying wire loop
What is the correct answer?
4
Defined as the ratio of the volume occupied by the atoms or ions in a unit cell divided by the volume of the unit cell and is used to measure the compactness of a crystal.
A. Atomic packing factor (APF)
B. Ionic Packing Ratio (IPR)
C. Atomic compacting factor (ACF)
D. Ionic compacting ratio (ICR)
What is the correct answer?
4
Steel is hard to magnetize because of its
What is the correct answer?
4
A commercial alloy of aluminum nickela and iron with cobalta copper and titanium added to produce about 12 grades.
What is the correct answer?
4
Materials whose permeabilities are slightly greater than that of free space
What is the correct answer?
4
Whenever a flux inking a coil or current changesa an emf is induced in it. This is known as
C. Faraday's first law of electromagnetic induction
D. Faraday's second law of electromagnetic induction
What is the correct answer?
4
The ratio between the intensity of magnetization produced in a substance to the magnetizing force producing it
C. Magnetic susceptibility
What is the correct answer?
4
A germanium atom has an atomic weight of72. How many neutrons are there?
What is the correct answer?
4
One oersted (Oe) is equivalent to _____ Gb/cm.
What is the correct answer?
4
The science of adapting electronics to aerospace flight.
What is the correct answer?
4
A negatively charge body has
What is the correct answer?
4
If you hold the conductor with right hand so that the stretched thumb points in the direction of the currenta then encircling fingers will give the direction of magnetic lines of force round the conductor. This is known as
A. Left hand cork screw rule
B. Right hand cork screw rule
What is the correct answer?
4
A magnetic flux of 2.5 x10^4 Wb through an area of 5 x10^4 square meters results in
B. 0.5 Tesia of flux density
D. 5000 Tesia of flux density
What is the correct answer?
4
Which of the following is used by temporary magnets as the magnetic material?
What is the correct answer?
4
A negative ion results when an atom gains an additional
What is the correct answer?
4
The property of a material which opposes the creation of magnetic flux in it
What is the correct answer?
4
What is the value of the absolute permittivity of air?
What is the correct answer?
4
Electric field intensity at a point is numerically equal to ________ at that point.
What is the correct answer?
4
All matters (gasa liquid and solid) are composed of
What is the correct answer?
4
It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
What is the correct answer?
4
The temperature coefficient of resistance of conductors is
What is the correct answer?
4
Which of the following has the least number of valence electrons?
What is the correct answer?
4
Ohm's law cannot be applied to which material?
What is the correct answer?
4
Who discovered superconductivity in 1911?
What is the correct answer?
4
Referred to as the specific reluctance of a material
What is the correct answer?
4
Electric field intensity at a point due to a given charge ______ if the relative permittivity of the medium decreases.