This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The primary purpose of a lightning rod is to A) attract lightning and guide it to the ground. B) ... (Read 18 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B


lbcchick

  • Hero Member
  • *****
  • Posts: 550
Reply #2 on: Jul 29, 2018
Thanks


honnalora

  • Sr. Member
  • ****
  • Posts: 325
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Estimated terrestrial net primary productivity across Canada. Estimated terrestrial net primary productivity across Canada.
Lip Abnormalities, Chancre from Primary Syphilis Lip Abnormalities, Chancre from Primary Syphilis
Primary visual processing areas (blue) in (a) human (lateral and mesial views) and (b) chimpanzee. Primary visual processing areas (blue) in (a) human (lateral and mesial views) and (b) chimpanzee.
Activation of the Primary Gustatory Cortex by Taste Stimuli Activation of the Primary Gustatory Cortex by Taste Stimuli
The primary pulse points of the body. The primary pulse points of the body.
Stonehenge From The Ground Stonehenge From The Ground
Video: Dissociative Disorders (Part 2)

For a complete list of videos, visit our video library