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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)These get strongly magnetized in the direction of applied magnetic field
e) Liquid level in that limb arises up very much
f) The gas rapidly expands in the direction of magnetic field
g) B >> B0
Are optical fiber fraglle? Glass fibers are very brittle, actually in any glass light guide there is a percentage of fibers broken throughout the manufacturing process, conver
difference between pure and impure spectrum
The phase of weightlessness may be observed in the following situations: (i) When objects fall freely under gravity : For example, a lift goes down freely, or an airship showing
Refracting telescopes, if uncorrected, suffer from chromatic aberration. Chromatic aberration occurs because: a) red light is focused more strongly than blue light b)
Are fibers safe? Fiber optics are passive components, hence do not use power to generate light, like the case with lamps. When light conductors only carry light from one point
Current flowing in a certain PN junction at room temperature is 2 X 10 -7 A, when a large reverse bias voltage is applied. Calculate current when a forward voltage of 0.1 V is appl
What is Modern view Modern view : It objects tend to remain in their initial state; force is needed to change motion. Resistance to alters in motion is known as inertia.
a) A uniform mild steel ring has a diameter of 50mm and a cross-sectional area of 1cm 2 . Determine the mmf essential to produce a flux of 50µWb in the ring. (b) I
EXAMPLES: (i) A book lying on the table remains at rest until it is listed or pushed by exerting a force. (ii)A rolling ball on the ground comes to rest after covering some
why does ecotourism preserve biodiversity
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