Who developed the electromagnetic theory of light in 1862?
Heinrich Rudolf Hertz
Wilhelm Rontgen
James Clerk Maxwell
Andre Ampere
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- Hysteresis is a phenomenon of _________ in a magnetic circuit.
- If two similar charges 1 coulomb each are placed 1 m apart in aira then the force of repulsion is
- If the right handed bottle-opener cork screw is assumed to be along the conductor so as to advance in…
- Lenz's law is the consequence of the law of conservation of
- Flux density is measured in
- Defined as the ratio of the volume occupied by the atoms or ions in a unit cell divided by the volume…
- A one cubic cm of copper has how many free electrons at room temperature?
- Electric field intensity is measured in
- Magnetic fields do not interact with
- A substance that attracts pieces iron
- The temperature coefficient of resistance of eureka is
- The B-H curve of ________ is not a straight line.
- All magnetic field originates from
- The magnetic field inside a solenoid
- What is the cgs unit of magnetomotive force?
- What is the other name for dielectric strength?
- The resistivity of a conductor ___________ with an increase in temperature.
- Electronic current in a wire is the flow of ____________ electrons.
- How many electrons are needed in the valence orbit to give a material's stability?
- The greater percentage of materials is _________.
- A length of wire has a resistance of 10 ohms. What is the resistance of a wire of the same material…
- The magnetic flux through a wire loop in a magnetic field does not d
- The science of adapting electronics to aerospace flight.
- When the relative permeability of a material is slightly less than 1a it is called _____ material.
- Theory of ferromagnetic phenomena which assumes each atom is a permanent magnet which can turn freely…
- The phenomenon that when an electric current passes through an anisotropic crystala there is an absorption…
- Formed when there exist distant electronic interactions between (opposite) charges present in the neighboring…
- The ratio between the intensity of magnetization produced in a substance to the magnetizing force producing…
- What type of bond is formed when there exists some form of collective interactions between the (negatively…
- Lenz' law states that the direction of the induced emf and hence current