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sol59
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Homework Statement
What will the pointer of electrodynamic ammeter show (its natural frequency of oscillation is 5 Hz), if its input is energized by current:
a) i (t) = 1.5 + 4 sin (3146 t)
b) i (t) = 1.5 + 4 sin (2 t)
Ammeter has a range of 6 A and the scale has 100 divisions.
Homework Equations
The Attempt at a Solution
[/B]My solution is 25 but I don't understand the difference between a) (where the frequency is 500 Hz) and b) (0.318 Hz).