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Give reason that ultrasonics not be produced by passing high frequency alternating current by a loud speaker
At these high frequencies, inductive reactance is so high where is no current flows throughout the coil of the loud speaker and therefore ultrasonic waves cannot be produced.
Energy is transferred in a one direction only. Example : Wave propagating in a stretched string.
Gravitational field can also be shown by lines of force. This is same in several ways as that of electric lines of forces. With one dissimilarity, electric charges are negative and
explain electromagnetic induction
Na + ion is isoelectronic with: (1) Li + (2) Mg +2 (3) Ca +2 (4) Ba +2 Ans:(b) Mg +2
Batch fermentation For aerobic cultivation of yeast the cell mass concentration, X t , and the concentration of the limiting substrate component (glucose), S t , has been deter
Define Eddy Currents ? If you try to pull a solid piece of some metals (good electrical conductors) quickly between the poles of a strong magnet, you will feel a force pushing
UNIT: SI unit of force is Newton (N).
If a ring were constructed as knid of a space station. How fast must a 50.0-m-radius ring rotate to simulate Earth's gravity?
what is poission''s equation?Establish poisson''s equation for space distribution of charges.discuss its significance.
A single-phase, 50Hz transformer has 40 primary turns and 520 secondary turns. The cross-sectional area of the core is 270cm 2 . When the primary winding is connected to a 3
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