Related Questions
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How much is the flux in Weber in the above problem?
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A principle that states that only two electrons with different spins are allowed to exist in a given orbit
B. Pauli exclusion principle
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The relative permeability of a magnetic material is 10^5. What is its permeability?
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Who discovered superconductivity in 1911?
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Flux density is measured in
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Who discovereda the relationship between magnetism and electricity that serves as the foundation for the theory of electromagnetism?
B. Hans Christian Oersted
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The energy stored in an electrostatic field or electromagnetic field is called
A. Electromagnetic energy
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If the value of 25 of a conductor is 1/230 per oCa then the value of 0is
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The direction of force o a current carrying conductor placed in a m found by
B. Fleming's left hand rule
C. Fleming's right hand rule
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The force between two magnetic poles varies with the distance between them. The variation is ______ to the square of that distance.
D. Inversely proportional
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The electric flux density is a ________ quantity.
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An effect which is generally used in the gausameter to measure flux density.
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The electric potential across part AB of a circuit is 5 V; point A being at higher potential. If a charge of 5 Cmoves from A to Ba then energy released as
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A magnetic material losses its ferromagnetic properties at a point called
B. Inferred absolute temperature
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All matters (gasa liquid and solid) are composed of
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The ability of a material to conduct magnetic flux through it.
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The straight line passing through the two poles of magnet is called
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Hysteresis is a phenomenon of _________ in a magnetic circuit.
A. setting up constant flux
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The electrons in the last orbit of an atom are called _______ electrons.
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Who discovered the most important electrical effects which is the magnetic effect?
A. Hans Christian Oersted
B. Sir Charles Wheatstone
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A t/m is a unit of
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Which of the following is used by temporary magnets as the magnetic material?
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Which of the following materials has the least hysteresis loop area?
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What is the practical unit of electrical energy?
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Gases whose particles are charged are known as
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The property of a material which opposes the creation of magnetic flux in it
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The diameter of a hydrogen atom is approximately ______ cm.
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A 6- V battery is connected across a solenoid of 100 turns having a resistance of 2 ?a Calculate the number of ampere turns?
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At/m is a unit of
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Which of the following is a paramagnetic material?