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De?ne reduction potential and oxidation potential.
Reduction potential of a metal is the measure of tendency of a metallic electrode to gain electrons when it is in contact with a solution of its own salt of unit molar concentration at 25C. Subsequently, the tendency of an electrode to lose electrons and to get oxidized, when it is in contact with its own salt solution of unit molar concentration at 25 C is called as oxidation potential.
A force of 2.5kN is needed to lift a load. How much work is done if the load is lifted by 500cm? An electromagnet exerts a force of 12N and moves a soft iron armature by a dist
Write any four characteristics of electromagnetic waves. Give two uses each of 1. Radio-waves 2. Micro-waves.
why we called it
Determine an expression for the current in the ring jumping ring demonstration, an electromagnet provides magnetic field of B=0.2 cos 377t tesla over a circle of radius 1.2cm
Liebig condenser (iron) A piece of iron pipe line as is used for water or electric conduit can be used to make a metal condenser which is much more robust than a glass one. Inl
Radio active series There are three radio active series depending on their progenitor. They are i) Uranium series called (2n+2) series, ii) Actino-Uranium series, call
work done by conservative force on a system is equal to
what is the physical significance of damping coefficient?
Assume a hot system at temperature T placed in an environment at a lower temperature T0. The system emits more radiation than it absorbs and cools down whereas the surrounding abso
expression for coefficient of coupling in tamil
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