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

Author Question: A small metal sphere is suspended from the conducting cover of a conducting metal ice bucket by a ... (Read 142 times)

B

  • Hero Member
  • *****
  • Posts: 570
A small metal sphere is suspended from the conducting cover of a conducting metal ice bucket by a non-conducting thread. The sphere is given a negative charge before the cover is placed on the bucket. The bucket is tilted by means of a non-conducting material so that the charged sphere touches the inside of the bucket. Which statement is correct?
 a. The negative charge remains on the metal sphere. b. The negative charge spreads over the outside surface of the bucket and cover.
  c. The negative charge spreads over the inside surface of the bucket and cover.
  d. The negative charge spreads equally over the inside and outside surfaces of the bucket and cover.
  e. The negative charge spreads equally over the sphere and the inside and outside surfaces of the bucket and cover.

Question 2

An astronaut is in an all-metal chamber outside the space station when a solar storm results in the deposit of a large positive charge on the station. Which statement is correct?
 a. The astronaut must abandon the chamber immediately to avoid being electrocuted. b. The astronaut will be safe only if she is wearing a spacesuit made of non-conducting materials.
  c. The astronaut does not need to worry: the charge will remain on the outside surface. d. The astronaut must abandon the chamber if the electric field on the outside surface becomes greater than the breakdown field of air.
  e. The astronaut must abandon the chamber immediately because the electric field inside the chamber is non-uniform.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lorealeza77

  • Sr. Member
  • ****
  • Posts: 356
Answer to Question 1

B

Answer to Question 2

C




B

  • Member
  • Posts: 570
Reply 2 on: Jul 28, 2018
:D TYSM


bdobbins

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Excellent

 

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

For a complete list of videos, visit our video library