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

Author Question: The primary purpose of a lightning rod is to A) attract lightning and guide it to the ground. B) ... (Read 49 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
The primary purpose of a lightning rod is to
 
  A) attract lightning and guide it to the ground.
  B) discharge the structure to which it is attached.
  C) cancel the electric field within the structure to which it is attached.
  D) induce a charge opposite to that of charged clouds overhead.

Question 2

A positively-charged rod is held near an aluminum can that rests on a dry wood table. If you momentarily touch the opposite side of the can with your finger, the can becomes
 
  A) positively charged.
  B) negatively charged.
  C) partially discharged.
  D) completely discharged.
  E) none of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

honnalora

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

Answer: B

Answer to Question 2

Answer: B





 

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

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.

For a complete list of videos, visit our video library