Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Explain Hysteresis loop.
Hysteresis loop: In a ferromagnetic material, the flux density B raises while external applied magnetic field H to it is raised. When the saturation gets, the raise in flux ceases even though H may be raised. This has been demonstrated by OS in the figure. If the external field is slowly reduced, the original curves OS is not retraced although follows curve SR. The external field H is decreased to zero but B does not reduce to zero that is the material keeps magnetised. The value of R flux density is termed as remanent flux density or residual magnetism. So as to demagnetise the material completely, external magnetic field must be reversed and while this reaches the value OC in reverse direction, this is seen that B is zero. This applied reverse magnetising force that causes B to become zero is termed as coercive force. Additional increase of H in reverse direction will now rise in B in reverse direction and again at the point S saturation arises. The residual magnetism in reverse direction is represented through OR and to neutralise this H should be increased in positive direction to the value OC. Additional increase in H will again magnetise the material and saturation will arise at S. The characteristic of magnetic behaviour of the ferromagnetic material is above in property. When the material is taken by one complete cycle of magnetisation, this traces a loop termed as hysteresis loop. While a material is subjected to cyclic changes of magnetisation, the domains modify the direction of their orientation in accordance along with H. Work is completed in changing the direction of domains, that leads to production of heat in the material. The energy needed to take the material by one complete cycle of magnetisation is proportional to the area enclosed through the loop.
Hysteresis loop
Q. Show the procedure of Hex to Decimal Conversion? To convert from the Hex to the Decimal, multiply the value in each position by its hex weight and add each value. Using the
Can you explain how electrochemical grinding is advantageous over conventional grinding? How metal is moved in electrochemical grinding? What is the basic principle of electroch
The material with lowest resistivity is (A) Constantan. (B) Silver. (C) manganin. (D) nichrome. Ans: The material with lowest resist
what is p-n junction and how its work
design analog normalised low pass filter by using matlab routine cheb1ap
1. For the flyback converter operating in the discontinuous "current" (flux) mode, derive an expression for the time at which the magnetizing current returns to zero. 2. A forwa
(a) Describe the four functions of the physical layer in the Internet Model. (b) (i) With the help of a diagram describe the main stages involved in the digitization of a
A 3-kVA, 220:110-V, 60-Hz, single-phase transformer yields these test data: • Open-circuit test: 200 V, 1.4 A, 50 W • Short-circuit test: 4.5 V, 13.64 A, 30 W Determine th
what is clamper circuit
Describe the process control instructions STC - It sets the carry flag & does not affect any other flag CLC - it resets the carry flag to zero &does not affect any other fl
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd