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Calculate the current needed in a 240 mm length of conductor of a d.c. motor when the conductor is situated at right-angles to the magnetic field of flux density 1.25T, if a force of 1.20N is to be exerted on the conductor.
A conductor carries a current of 70A at right-angles to a magnetic field having a flux density of 1.5T. If the length of the conductor in the field is 200mm measure the force acting on the conductor.
What is the force when the conductor and ?eld are at an angle of 450?
dimension of electric current
Demonstration vernier Two pieces of tongued and grooved floor board about 1 m long can be used to make this apparatus. Saw 7 cm off the tongued board and glue it into the groov
There are two major differences between "center of gravity" and "center of mass": 1) The term "center of gravity" aplies to the bodies with mass and weight, while the term "cent
Q. Tritium has a half life period of 12.5 years. What fraction of the sample will be left over after 25 years? HLP = 12.5 years Number of HLPs in 25 years = 25 / 12.5 =2
numerical example
It is the need of elastic strength of a substance when subjected to repeated stresses and strain. If the substance is reserved undisturbed for some time, the previous properties ar
why the reflective index of cladding is lower then in core of a fiber optic?
Get expression for intensity of the diffracted beam by single slit. Explain the position of minima and maxima.
How can light be classify in simplest form? Answer:- The common description of light (visible) is electromagnetic radiation visible to the human eye. It is only a little p
Kinematic chain related to an assembly of rigid bodies connected by joints that is the mathematical model for a mechanical system. As in the familiar use of the word chain, the rig
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