with the help of a diagram show the biasing of a
With the help of a diagram, show the biasing of a light emitting diode (LED). Give its two benefits over conventional incandescent lamps.
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explain the terms i magnetic declination and ii angle of dip at a given
two circular coils one of radius r and the other of radius r are placed coaxially with their centres coinciding for r gtgt r get an expression for
what is the wavelength of electromagnetic waves of frequency 5 x 1019hz in free space give its two
draw the graph showing the variation of binding energy per nucleon with mass number give the reason for the decline of binding energy per nucleon for
with the help of a diagram show the biasing of a light emitting diode led give its two benefits over conventional incandescent
a compound microscope with an objective of 10 cm focal length and an eye-piece of 20 cm focal length has a tube length of 20 cm measure the
the magnifying power of an astronomical telescope in the normal adjustment position is 100 the distance among the objective and the eye-piece is 101
state gauss theorem in electrostatics using this theorem derive the expression for the electric field intensity at any point outside a uniformly
state two conditions to obtain sustained interference of lightin youngs double slit experiment using light of wavelength 400 nm in terference fringes
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