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An iron ring of mean diameter 10 cm is uniformly wound with 2000 turns of wire.
When a current of 0.25 A is passed by the coil a flux density of 0.4 T is set up in the iron. Find
(a) The magnetizing force and
(b) The relative permeability of the iron under these conditions.
If the refractive index of a medium is 1.5, determine the critical angle. Write the difference between telescope and microscope.
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Calculates the total magnetic flux in ring
It describes the behaviour of a collection of a particle N(E) with gives energy through N(E)α exp(-E/KT) where K is Boltzmann constant. It can be explained as a collection of
if 36C of charge pass through a wire in 4 seconds what current is it carrying
A boy goes to market with a average speed of 29 km/h.He returns back half the way he went with a average speed of 40 km/h.Find average speed for whole journey.
Q. Compare the emf and the potential difference . Comparison of emf and potential difference 1. The difference of potentials among the two terminals of a cell in an open cir
Explain the production of Newton's ring because of reflected light with a neat diagram. Get the expression for the diameter of both dark and bright ring.
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