Answer :
The angular velocity of the coil is ω = 2.55[tex]rads^{-1}[/tex].
Angular velocity is the rate at which an object rotates or rotates about an axis or the rate at which the angular displacement between two bodies changes. In the figure, this shift is represented by the angle θ between the line of one body and the line of the other body. The face area is calculated by multiplying the rib height by the fin length.
calculation:-
number of turns = 16
side length = 14 cm = 0.14 m
Magnetic field strength B = 0.040T
Emf produced = 34mV = 0.034 V
angular velocity = w×16× 0.14 ×0.034/0.040
= 2.55 m/ rad.
Face Velocity is the air velocity over the face of the coil. This angular rate describes how fast AC waveform cycles, and you should understand that a full cycle is equal to 2π radians. This does not necessarily represent the actual shaft speed of the alternator that produces AC power. There is an important relationship between angular velocity and frequency, given by the equation: Angular velocity is equal to frequency multiplied by the constant 2pi.
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