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a) Heat produced or absorbed at a junction is proportional to the current by the junction.
b) This effect is produced when current is passed by junction of suitable materials.
c) It is reversible effect.
d) Heat exchange depends upon nature of conductors and temperature of the junctions.
e) It can be heating as well as cooling effect.
Amplifier is a functioning by which the amplitude of variation of ac signal voltage / current/ power can be enhanced (i) Principle and circuit diagram: The amplifying action of
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The process of apparent change in frequency (or wavelength) of the light because of relative motion among the source of light and the observer is known as Doppler's effect.
What is Fresnel explanation of optical activity
Sliding friction Lock the rollers of a roller skate by criss-crossing rubber bands more than them on both sides. Place the roller skate on a sloping board and reminder how the
Explain about the term electron microscope. Electron microscope: An electron microscope is a form of microscope which uses electrons to illuminate a specimen and make an enl
An atom is said to be polarized if it possesses and effective dipole moment, that is, if there is a separation between the centres of negative and positive charge distribution. It
a) Formation of domains b) On the basis of domains formed c) These are strongly attracted in an external magnetic field i.e. they easily go from low to high field region d
My question is that if voltage is increased, the electrons will move faster and the distance between them is changed. Why?
Obtain Relativistic expression for the kinetic energy of the particle.
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