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Coupling factor:
If all the flux of a primary coil links with all the turns of a secondary then 100% coupling exists. Sometimes it is more convenient to use a coupling factor - k. Maximum Coupling (100%) is represented by a k value of 1.Thus if flux linkage is 97% the coupling factor is 0.97. Given that mutual coupling depends on k then so does the mutual inductance. The relationship is given by: M = k√ (L1 L2 )Where L1 and L2 are individual inductance's of the mutually coupled coils.The value of k depends on:• Purpose of coils involved• Relative positions of the coils• Frequency or rate of change of currentand can be as high as 0.98 or as low as 0.0001.
It is the degree or extent by which magnetic lines of force can enter a substance and is expressed by µ.
metre; meter; m The basic SI unit of length, explained as the length of the path traveled through light in vacuum throughout a period of 1/299 792 458 s.
if a 5-kg object experience a 10-n force for a 0.10-second, then what is momentum change of the object
Q. If a single force acts on an object, the object accelerates. yse it is definately true. Newton's second law.
Microwaves and Radio waves: Microwaves are produced by high frequency electromagnetic oscillators in electric circuits. Microwaves are electromagnetic waves with wavelengths i
implementation of nand gate
What are spatial effects? Representations of shooting stars, nebulas, comets and others, made with frequently thousands of individual animation illuminator and fibers.
#questA ball of mass 1.5 kg rolling to the right with a speed of 3.6ms-1, collides head-on with a spring with a spring constant of 2.0Nm-2.Determine the maximum compression of the
An elementary particle is: (1)An element present in a compound (2)An atom present in an element (3)A sub-atomic particle (4)A fragment of an atom Ans: (3)A s
Conclusion of photoelectric effect
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