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Consider the sketch of the electromagnet in the figure below. Which components could you change to increase or reduces the strength of the electromagnet? Describe your answer.
To enhance the strength of the magnet, the voltage of the power source could be increased, the number of the wraps could be increased, or ferromagnetic cores could be added. To reduce the strength of the magnet, the voltage of the power source could be reduced, fewer wraps could be used, or hollow or nonmagnetic cores could be used
Q. Find the shell temperature? In a shell-and-tube heat exchanger, one fluid passes through a central tube while another fluid flows through an outer shell in the opposite dire
Electric charge is a physical property of matter that causes it to experience a force when near other electrically charged matter. There exist two types of electric charges, called
Inertia with a stone You will require a stone weighing about 1 kg for this experiment. Wrap a length of heavy string about the stone. Now, on opposite sides of the stone, join
determine the magnitude of Poynting vector end the energy per unit time delivered to a wire of length land cross section A when electric current I flow in it
The lagging of an effect behind its cause; especially the phenomenon in which the magnetic induction of a ferromagnetic material lags behind the changing magnetic field.
Give a mathematical expression for linear width of principal maxima in case of single slit Fraunhofer diffraction.
State the process of diffusion When these two pieces are joined together and suitably treated, they from a pn junction. Moment they form a pn junction, some of the
what is the magnetic field at a distance l from the centre of the circle of radius r which carries a current i
why electrons do not exist in nucleus
In an experiment of Quink tube source freequence 100 Hz is used to find 2nd maxima to 4th manima movalbe part of tube displaced by 1cm then calculate speed of sound in air
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