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 44 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?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

For a complete list of videos, visit our video library