Author Question: The frequency in an AC series circuit is halved. By what factor does this change the capacitive ... (Read 94 times)

swpotter12

  • Hero Member
  • *****
  • Posts: 527
The frequency in an AC series circuit is halved. By what factor does this change the capacitive reactance?
 a. 1/2
  c. 1/4
  b. 4
  d. 2

Question 2

A standing wave is set up in a 100-cm string fixed at both ends. The string vibrates in 5 distinct segments when driven by a 120-Hz source. What is the wavelength?
 a. 10 cm
  c. 40 cm
  b. 20 cm
  d. 80 cm



Sarahjh

  • Sr. Member
  • ****
  • Posts: 370
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Sarahjh

  • Sr. Member
  • ****
  • Posts: 370

 

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

For a complete list of videos, visit our video library