« previous next »

Author Question: An electron moving from the negative terminal to the positive terminal of a 12. volt battery gains ... (Read 96 times)

ereecah

  • Hero Member
  • *****
  • Posts: 530
on: Jul 27, 2018
An electron moving from the negative terminal to the positive terminal of a 12. volt battery gains (or loses) how much energy? (Be sure to indicate whether it is a gain or loss.)
 
  What will be an ideal response?

Question 2

An ideal ammeter should
 
  A) have a high coil resistance.
  B) introduce a very small series resistance into the circuit whose current is to be measured.
  C) introduce a very large series resistance into the circuit whose current is to be measured.
  D) consist of a galvanometer in series with a large resistor.


mtmmmmmk

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 27, 2018
Answer to Question 1

Loses 12. eV = 1.9  10-19 J

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Rotation Rotation–Moving a body part around a central axis. Rotation Rotation–Moving a body part around a central axis.
Wedge-shaped oil film developed below a moving block. Wedge-shaped oil film developed below a moving block.
The battery was replaced in this Acura and the radio displayed “code” when the replacement ... The battery was replaced in this Acura and the radio displayed “code” when the replacement ...
When the exhaust is rich, the PCM applies a negative current into the pump cell. When the exhaust is rich, the PCM applies a negative current into the pump cell.
Negative reading oxygen sensor voltage can be caused by several problems. Negative reading oxygen sensor voltage can be caused by several problems.
An electron micrograph of a eukaryotic replicating fork demonstrating An electron micrograph of a eukaryotic replicating fork demonstrating
Video: Types of energy transfer reactions: oxidation-reduction reactions and ATP generation reactions

For a complete list of videos, visit our video library