explain the term resistivity and write its s i
Explain the term 'resistivity' and write its S. I . unit. Derive the expression for the resistivity of a conductor in terms of number density of free electrons and relaxation time.
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the image of a candle is produced by a convex lens on a screen the lower half of the lens is painted black to make it completely opaque illustrate
an electric dipole is held in a uniform electric field1 using suitable diagram show that it does not undergo any translatory motion and2 derive an
a galvanometer with a coil of resistance 120 ohm shows full scale deflection for a current of 25 ma how will you change the galvanometer into an
q illustratecommon base configurationcommon base configuration in this circuit the base is common to both input and the outputsuch a configuration is
explain the term resistivity and write its s i unit derive the expression for the resistivity of a conductor in terms of number density of free
q what do you mean by common collector configurationcommon collector configurationin this circuit the collector is common to both the input and the
verify the principle of potentiometer illustrate a circuit diagram used to compare the emf of two primary cells write the formula used how can the
define with the help of diagram the principle and working of an ac generator write the expression for the emf generated in the coil in terms of its
give reasons for the followingi long distance radio broadcasts use short-wave bandsii the small ozone layer on top of the stratosphere is crucial for
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