How Strong is the Electric Field Between Two Charged Plates?

In summary, electric field strength is a vector quantity that measures the electric force per unit charge acting on a point in space. It is calculated by dividing the electric force by the magnitude of the charge and is affected by the magnitude of the charge, distance from the charge, and medium. Electric field strength is related to electric potential by the equation E = -∇V and has many real-world applications in science and engineering, including circuit design, particle behavior, and technology development.
  • #1
tandoorichicken
245
0
Two plates are placed .01 cm apart. One plate has a potential of -20V and the other has a potential of 0V. What is the strength of the electric field between them?
 
Physics news on Phys.org
  • #2
never mind i got it
 
  • #3


The strength of the electric field between the two plates can be calculated using the formula E = V/d, where E is the electric field strength, V is the potential difference between the plates, and d is the distance between the plates. In this case, the distance between the plates is 0.01 cm (or 0.0001 m) and the potential difference is 20V. Plugging these values into the formula, we get E = (20V)/(0.0001m) = 2 x 10^5 V/m. This means that the electric field strength between the two plates is 2 x 10^5 volts per meter.
 

What is electric field strength?

Electric field strength is a measure of the electric force per unit charge acting on a point in space. It is a vector quantity and is typically measured in units of volts per meter (V/m).

How is electric field strength calculated?

Electric field strength is calculated by dividing the electric force acting on a test charge by the magnitude of the charge. This can be expressed mathematically as E = F/q, where E is the electric field strength, F is the electric force, and q is the test charge.

What factors affect electric field strength?

The electric field strength is affected by the magnitude of the charge creating the field, the distance from the charge, and the medium through which the field is passing. In general, the closer the charged object is to the point in space, the stronger the electric field will be.

How does electric field strength relate to electric potential?

Electric field strength and electric potential are related by the equation E = -∇V, where E is the electric field strength, V is the electric potential, and ∇ is the gradient operator. In other words, the electric field is the negative gradient of the electric potential.

What are some real-world applications of electric field strength?

Electric field strength is an important concept in many branches of science and engineering, including physics, chemistry, and electrical engineering. It is used to understand and design circuits, determine the behavior of charged particles, and study the properties of materials. It also has practical applications in technologies such as capacitors, electric motors, and generators.

Similar threads

  • Introductory Physics Homework Help
Replies
6
Views
304
  • Introductory Physics Homework Help
Replies
4
Views
921
  • Introductory Physics Homework Help
Replies
18
Views
1K
  • Introductory Physics Homework Help
Replies
11
Views
378
Replies
1
Views
127
  • Introductory Physics Homework Help
Replies
7
Views
1K
  • Introductory Physics Homework Help
Replies
26
Views
557
Replies
4
Views
345
  • Introductory Physics Homework Help
2
Replies
58
Views
3K
  • Introductory Physics Homework Help
Replies
6
Views
950
Back
Top