05.1a - Field in a Bucket

Subtopic Pages:

Electric Fields Concepts and Calculations

- - Solving problems involving electric fields and Coulomb’s law
  - Calculating work done in an electric field in both joules and electronvolts

Confining and controlling an electric field.
- Goals:
  1. Visualizing the invisible
  2. Developing and Using Models
  3. Analyzing and Interpreting Data
  4. Obtaining, Evaluating, and Communicating Information
  5. Manipulating or controlling an electric field
Quantifying an electric field.
- Field Lines - 1
- Field Strength - 2
Comparison of Gravitational concepts and Electric concepts.
- Big Question: We describe electric field lines as originating on positive charges and terminating on negative charges. Similarly we say that gravitational field lines terminate on masses, where to they begin?

How do you measure an electric field? - Article on creating a new electric field sensor.
Series of lectures and Problems on Electric Charges, Fields and Forces - Flipping Physics
- While you do not need to watch all of these, it is more entertaining and informative than listening to me.

Please watch the video above to see how data was collected.
Below in the Google Sheet are various setups of objects in the 'bucket'.
As a group you will be assigned a set-up and charged with describing how the 'shape' of the electric field created by in the bucket.
Using a set-up similar to the one shown we will collect data on the voltage at a variety of points.

Field Grid

Field in a Bucket Grid.

sample data commas

Creation of 3D Map.pdf

Various Configurations of Electric Fields

FIB WBs

Field in a Bucket Questions

Comp of g and E

Based on your observations in class,

describe what is meant by high and low potential.
suppose a test charge (+) were to be placed within the field, describe:
- the force acting on the test charge
- the initial direction of motion of the test charge and
- trace the path the test charge would make to the negative terminal.
Suppose a negative test charge (-) were added to the electric field. How would this change the answers from a

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