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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
Describe, with the help of a nuclear reaction in each of the following cases, how the neutron to proton ratio alters during (i) alpha-decay (ii) beta-decay?
A train consists of a 4300-kg locomotive pulling two loaded boxcars. The first boxcar has a mass of 12,700 kg and the second has a mass of 16,300 kg. Presume that the boxcar wheels
Choroid: Inside the sclera it is thin, non transparent or opaque. Its front part of iris there is an aperture known as the pupil which control amount of light entering the eye.
in water equivalent how the temperature or water and solid equal?
an attacker at the base of a castle wall 3.65 m high throws a rock straight up with speed 7.40 m/s at a height of 1.55 m above the ground. (a) will the rock reach the top of the wa
Describe coefficient of self induction, coefficient of mutual induction. What types of transformer is used in a bed lamp.
Ask question contest light circuit diagram #Minimum 100 words accepted#
(a) A cast steel ring has a cross-sectional area of 600mm 2 and a radius of 25mm. Verify the mmf essential to establish a flux of 0.8mWb in the ring. Use the B-H curve for cast st
A rocket weighs 9800N. What applied force gives it a vertical acceleration of 4m/sec/sec?
what do you mean by banking of roads?why is it done?a train has to negotiate a curve of radius 400m.by how must the outer rail is raised as compared with the inner rail for a speed
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