« previous next »

Author Question: What resistance must be put in series with a 30-mH inductor at 4000 Hz to have a total impedance of ... (Read 40 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
on: Jul 29, 2018
What resistance must be put in series with a 30-mH inductor at 4000 Hz to have a total impedance of 8.0  104 ?
 
  A) 30  104
  B) 5.0  104
  C) 6.0  104
  D) 7.0  104
  E) 8.0  104

Question 2

A moving object's mass is twice its rest mass. Its length (in the direction of travel) must therefore be
 
  A) one-half its proper length.
  B) twice its proper length.
  C) one-fourth its proper length.
  D) four times its proper length.
  E) times its proper length.


thall411

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

The Dingo was the first placental mammal introduced to Australia, around 4000 years ago The Dingo was the first placental mammal introduced to Australia, around 4000 years ago
Faith Ringgold, Tar Beach, Part I of the series Woman on a Bridge. Faith Ringgold, Tar Beach, Part I of the series Woman on a Bridge.
Lalla Essaydi, La Grande Odalisque, from the series Les Femmes du Maroc (The Women of Morocco). Lalla Essaydi, La Grande Odalisque, from the series Les Femmes du Maroc (The Women of Morocco).
A dim headlight indicates excessive resistance in fuel pump circuit. A dim headlight indicates excessive resistance in fuel pump circuit.
Connections and settings necessary to measure fuel-injector resistance. Connections and settings necessary to measure fuel-injector resistance.
Personal Finance (5th Edition) (The Personal Series in Finance) Personal Finance (5th Edition) (The Personal Series in Finance)
Video: Four Giant Convection Cells oF Earth

For a complete list of videos, visit our video library