Author Question: An ac circuit has a 100- resistor in series with a 4.9-F capacitor and a 700-mH inductor. At what ... (Read 95 times)

TFauchery

  • Hero Member
  • *****
  • Posts: 500
An ac circuit has a 100- resistor in series with a 4.9-F capacitor and a 700-mH inductor. At what frequency does the circuit act like a pure resistance?
 
  A) 0.29 MHz
  B) 1.9 MHz
  C) 12 MHz
  D) 0.54 kHz
  E) 86 Hz

Question 2

A series ac circuit has a resonance frequency of 9.0 kHz. If the inductor in the circuit has a value of 2.0 H, and the resistance is 75 , what is the capacitance of the circuit?
 
  A) 0.16 pF
  B) 156 pF
  C) 6.2 pF
  D) 17.7 pF


sarah_brady415

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

E

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

For a complete list of videos, visit our video library