This topic contains a solution. Click here to go to the answer

Author Question: If a 12 V battery is connected across the primary of a transformer with a turns ratio of 1:4, then ... (Read 91 times)

notis

  • Hero Member
  • *****
  • Posts: 596
If a 12 V battery is connected across the primary of a transformer with a turns ratio of 1:4, then the secondary voltage is ________.
 
  A) 48 V B) 3 V C) 12 V D) 0 V

Question 2

When a 1 k load resistor is connected across the secondary winding of a transformer with a turns ratio of 2:1, the source sees a reflected load of ________.
 
  A) 1 k B) 500  C) 4 k D) 2 k



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wilsonbho

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

D

Answer to Question 2

C




notis

  • Member
  • Posts: 596
Reply 2 on: Jul 28, 2018
Gracias!


chjcharjto14

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Excellent

 

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

For a complete list of videos, visit our video library