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Q What is Seebeck effect?
Seebeck revealed that in a circuit consisting of two dissimilar metals like iron and copper an emf is developed when the junctions are maintained at different temperatures. Two different metals connected to form two junctions are called thermocouple. The emf build up in the circuit is thermo electric emf. The current by the circuit is called thermoelectric current. This effect is entitled as thermoelectric effect or Seebeck effect.
Bug on a Bowling Ball A bug sitting on top of a bowling ball begins to slide o? with negligible friction. Conclude the angle at which the bug leaves the surface. This proble
A single-phase transformer has 2400 turns on the primary and 600 turns on the secondary. Its no-load current is 4A at a power factor of 0.25 lagging. Suppose the volt drop
CO has same electrons as or the ion that is isoelectronic with CO is: (1) N + 2 (b) CN - (3) O + 2 (4) O - 2
Explain Crohn disease Crohn's disease: a chronic, recurrent disease characterized by patchy inflammation of any portion of digestive tract from the mouth to anus.
Graphs of current against voltage for two resistors P and Q are shown in Figure. Determine the value of every resistor.
a) Here temperature difference of junction is used to produce thermo e.m.f. and vice-versa. b) This effect produced when junctions of a thermocouple are kept at dissimilar tempe
Yes it is possible at the centre of the earth where the radius is zero .
what is the histroy of the periodic table
Electromagnetism: A temporary magnet formed by winding a coil of insulated copper wire around a piece of shift iron is known as electromagnet. When current is passed it behaves
In the figure below the closed surfaces A and B appear as closed curves. Find the flux through closed surface B.
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