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How do you magnetize metal?
You can rub a magnet with the metal in single direction for a bunch of times (the more the better), and that will magnetize it to some degree, but it's not permanent and will demagnetize if it is hit hard with something.
Describe how Dewar flasks limit energy transfer A Dewar flask (thermos) is a device that resists energy transfer. Explain how Dewar flasks limit energy transfer by listing the
Illustrate what is a positron? Answer:- A positron is a positively charged electron and it's an anti-electron - antimatter! The positron has a charge of +1 just the opposi
The nuclei have been separated on the basis of the number of protons (atomic number) or the total number of nucleons (mass number) as given below: (i) Isotopes: The atoms of ele
The mass of a mol of proton and electron is: (1) 6.023x 10 23 g (2) 1.008g and 0.55mg (3) 9.1x 10 -28 kg (4) 2gm Ans: (2) 1.008g and 0.55mg
(a) Show that the total power in a 3-phase, 3-wire system using the two-wattmeter method of measurement is given by the sum of the wattmeter readings. Draw a connection diagram.
Q. Write the equation of a 25 cycle current sine wave having rms value of 30 A. Data: ν = 25 Hz, Irms = 30 A Solution: i = I o sin ωt =
,adf'';,g.'';fd,g'' fmdlg;lmdf
background of motion in one dimension
project report
For any single force vector, there is only one angle for which its x- and y-components are equal in size. a. What is that angle? b. How many times bigger is a vector at this
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