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In the device shown in Figure, when the current in the primary coil of 1000 turns increases linearly from 1A to 6A in 200ms, an e.m.f. of 15V is induced into the secondary coil of 480 turns, which is left open circuited. Determine
(a) The mutual inductance of the two coils,
(b) The reluctance of the former, and
(c) The self inductance of the primary coil.
What is black hole
The characteristics of substance by virtue of which it opposes the flow of current by it, is called as the resistance.
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In the arrangement shown in figure, an object can be hung from a string (with linear mass density µ = 0.002 00 kg/m) that passes over a light pulley. The string is connected to a v
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
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uses of diode
TA=300 TB=400 rA= rA=6.3(10)^12
Consider a horizontal cylinder with L/D = large. Imagine this cylinder is filled with a liquid to different levels (consider cases where it is 10, 20, 50, 70, 90% full, note that l
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