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16.03.2020 •
Physics
Suppose we have a wire of length L and constant area A orientated along the r-axis. Al- though it has a constant cross-sectional area, it is non-uniform in density, such that the resistivity varies sinusoidally throughout its length, given by: rho(c) Posin(TZ/L). The wire is maintained at a potential of V across its length. Compute the current passing through the wire.
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Ответ:
Explanation:
As w = 2000π
2πf= 2000π
f= 1000Hz
speed = wavelength × f= w/k
wavelength = 2000π/ (0.5× 1000)
= 4π
or
12.57