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Author Question: A 17.0-mF capacitor is connected to an AC source with an rms voltage of 120 V and a frequency of ... (Read 84 times)

sabina

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on: Jul 28, 2018
A 17.0-mF capacitor is connected to an AC source with an rms voltage of 120 V and a frequency of 60.0 Hz. What is the rms current in the capacitor?
 a. 1.41 A
  c. 0 A
  b. 0.543 A
  d. 0.769 A

Question 2

A standing wave is set up in a 2.0-m string fixed at both ends. The string vibrates in 3 distinct segments when driven by a 120-Hz source. In how many distinct standing wave segments will the string vibrate if the tension is increased by a factor of 4?
 a. 3
  c. 9
  b. 6
  d. No standing wave pattern occurs.


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maya.nigrin17@yahoo.com

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

D


sabina

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Reply 2 on: Jul 28, 2018
:D TYSM

bdobbins

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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