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3 cards from this section. Quick, good the night before a test.
What does impedance represent in a system?
Consider the overall resistance faced by the system.
What is the formula for impedance in an RLC circuit?
Think about resistance and reactance.
What does Z represent in electrical circuits?
Think about the opposition to current in a circuit.
True or False: Mechanical impedance can be calculated using the same form as electrical impedance.
Consider the definitions of mass and spring constant in both types.
Design a scenario in which an RLC circuit's impedance must be optimized for a specific frequency. Include calculations for R, L, C, and the resulting Z.
Use the impedance formula and plug in your chosen target frequency into the equations.
Explore a mechanical system with given mass and damping. Determine how changing the mass affects mechanical impedance at various frequencies.
Changing the mass will affect the k-mω² term. Keep this in mind as you plug values into Zm.
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