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Construction of a transformer:
The essential parts of a transformer are: i) core ii) primary coil and iii) secondary coil. In its general form, a core (C) consists of a soft-iron or ferrite material. This core is the form of a rectangular frame built by placing thin sheets of iron one above the other. These sheets are laminated and therefore are insulated from each other.On one side of the rectangular core, an insulated copper wire is wound to make a coil of turns (n1). If voltage is applied across this coil, it is called a primary (P) coil. On the opposite side of the rectangular core, another copper wire is wound to make coil of turns (n2). If output voltage is delivered from this coil it is called a secondary (S) coil.The coils P and S are wound on the same iron-core and are electrically insulated from one another.
What are the objectives to know about working of ultrasonics? Objectives of ultrasonics: a. Understand the term ultrasonics. b. Describe the principle, working and constr
UV radiations and X - rays are: UV radiations are produced by the high energy transitions of the electrons in atoms. UV radiations have wavelengths ranging from 0.4 m m to 1n
A section through a magnetic circuit of uniform cross-sectional area 2cm 2 is shown in fi gure. The cast steel core has a mean length of 25cm. The air gap is 1mm w
What do you mean by the ratio of the frequency of fourth overtone to the fundamental frequency of a stretched string?
Q. The half life of radon is 3.8 days. Calculate mean life. Half Life Period HLP T ½ = 0.6931 / λ = 0.6931 τ therefore Mean life τ = T ½ / 0.
A battleship concurrently ?res two shells at enemy ships along the trajectories shown. One ship (A) is close by; the other ship (B) is far away. Which ship gets hit ?rst?
The wedge Make a wedge from a piece of wood and drive it inside a table leg or some other heavy object. View that the wedge is a double inclined plane
Draw a circuit diagram of a common emitter amplifier by using n-p-n transistor. Show input and output voltages graphically. The current gain for common emitter amplifier is 59.
to find coefficient of viscosity of a liquid using stok''s law
What is whomehole and how it
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