An LCR circuit has resistance R0, inductance L0, and capacitance C0 . If the resistance value is now tripled, which values of inductance and capacitance will result in the same resonant frequency as before.
a. 3L0, C0
c. 3L0, 3C0
b. L0/3, C0/3
d. 3L0, C0/3
Question 2
Consider a vibrating guitar string that makes a sound wave that moves through the air. As the string moves up and down, the air molecules that are a certain horizontal distance from the string will move:
a. up and down.
b. toward and away from the guitar string.
c. back and forth along the direction of the length of the string.
d. in circles around the guitar string.
An analogy for how cardiac output, resistance, and blood pressure are related.
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