Potential and Field - PowerPoint PPT Presentation

1 / 40
About This Presentation
Title:

Potential and Field

Description:

Potential and Field. Connection between Potential and Fields ... 2. Ampere's law. 3. Ohm's law. 4. Maxwell's equation. 5. No name was given in this chapter. ... – PowerPoint PPT presentation

Number of Views:205
Avg rating:3.0/5.0
Slides: 41
Provided by: johnu6
Category:

less

Transcript and Presenter's Notes

Title: Potential and Field


1
Potential and Field
  • Connection between Potential and Fields
  • Electric Field around a Conductor
  • EMF or Batteries

2
Reading Questions
What quantity is represented by the symbol ?
1. Electronic potential 2. Excitation
potential 3. Electromotive force 4. Electric
stopping power 5. Exosphericity
3
Reading Questions
What quantity is represented by the symbol ?
1. Electronic potential 2. Excitation
potential 3. Electromotive force 4. Electric
stopping power 5. Exosphericity
4
Reading Questions
The electric field
1. is always perpendicular to an equipotential
surface. 2. is always tangent to an equipotential
surface. 3. always bisects an equipotential
surface. 4. makes an angle to an equipotential
surface that depends on the amount of charge.
5
Reading Questions
The electric field
1. is always perpendicular to an equipotential
surface. 2. is always tangent to an equipotential
surface. 3. always bisects an equipotential
surface. 4. makes an angle to an equipotential
surface that depends on the amount of charge.
6
Reading Questions
The relationship ?VIR is called
1. Faradays law. 2. Amperes law. 3. Ohms
law. 4. Maxwells equation. 5. No name was given
in this chapter.
7
Reading Questions
The relationship ?VIR is called
1. Faradays law. 2. Amperes law. 3. Ohms
law. 4. Maxwells equation. 5. No name was given
in this chapter.
8
Electric Field and Potential
Force concept
Acts locally
Everywhere in space
9
Connecting Potential and Field
Recall from the last lecture we found
From Calculus III we find
10
Electric Field and Potential
Force concept
Acts locally
Everywhere in space
11
Potential from Electric Field
Calculating the potential from the electric field.

12
Electric Field from Potential
Recall
13
Electric Field and Potential
14
Electric Field from Potential
15
Electric Field and Potential
Kirchhoffs Loop Law
The sum of the voltages aroung a closed path
equal zero.
16
Student Workbook
17
Student Workbook
You should do this one.
18
Student Workbook
You should do this one.
19
Student Workbook
20
Student Workbook
21
Student Workbook
22
Student Workbook
23
Class Question
Which potential-energy graph describes this
electric field?
1. a 2. b 3. c 4. d 5. e
24
Class Question
Which potential-energy graph describes this
electric field?
1. a 2. b 3. c 4. d 5. e
25
Class Question
26
Class Question
27
Electric Field around Conductors


28
Electric Field and Potential
29
Electric Field and Potential
30
Student Workbook
31
Student Workbook
32
Student Workbook
33
Class Question
Three charged, metal spheres of different radii
are connected by a thin metal wire. The potential
and electric field at the surface of each sphere
are V and E. Which of the following is true?
1. V1 V2 V3 and E1 E2 E3 2. V1 V2
V3 and E1 gt E2 gt E3 3. V1 gt V2 gt V3 and E1 E2
E3 4. V1 gt V2 gt V3 and E1 gt E2 gt E3 5. V3 gt
V2 gt V1 and E1 E2 E3
34
Class Question
Three charged, metal spheres of different radii
are connected by a thin metal wire. The potential
and electric field at the surface of each sphere
are V and E. Which of the following is true?
1. V1 V2 V3 and E1 E2 E3 2. V1 V2
V3 and E1 gt E2 gt E3 3. V1 gt V2 gt V3 and E1 E2
E3 4. V1 gt V2 gt V3 and E1 gt E2 gt E3 5. V3 gt
V2 gt V1 and E1 E2 E3
35
EMF or Battery
36
EMF or Battery
37
Student Workbook
You should do this one.
38
Student Workbook
39
Class Question
A wire connects the positive and negative
terminals of a battery. Two identical wires
connect the positive and negative terminals of an
identical battery. Rank in order, from largest to
smallest, the currents Ia to Id at points a to d.
1. Ia Ib Ic Id 2. Ia Ib gt Ic Id 3.
Ic Id gt Ia Ib 4. Ic Id gt Ia gt Ib 5. Ia
gt Ib gt Ic Id
40
Class Question
A wire connects the positive and negative
terminals of a battery. Two identical wires
connect the positive and negative terminals of an
identical battery. Rank in order, from largest to
smallest, the currents Ia to Id at points a to d.
1. Ia Ib Ic Id 2. Ia Ib gt Ic Id 3.
Ic Id gt Ia Ib 4. Ic Id gt Ia gt Ib 5. Ia
gt Ib gt Ic Id
Write a Comment
User Comments (0)
About PowerShow.com