Author Question: Name the chemical group most abundant in the rocks of Earth's ... (Read 19 times)

laurencescou

  • Hero Member
  • *****
  • Posts: 593
Name the chemical group most abundant in the rocks of Earth's crust.

Question 2

An inductor and a resistor are connected in series across an AC generator as in Figure OQ33.1. Immediately after the switch is closed, which of the following statements is true?
 
  1.The current in the circuit is V/R.
  2.The voltage across the inductor is zero.
  3.The current in the circuit is zero.
  4.The voltage across the resistor is V.
  5.The voltage across the inductor is half its maximum value.



fwbard

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

The feldspars form the most abundant group of rock forming minerals.

Answer to Question 2

3



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

For a complete list of videos, visit our video library