## Teacher, create graded and non-graded assignments in minutes!

At Teachy you have access to thousands of questions, graded and non-graded assignments, projects, and lesson plans.

Free Registration

# (Originais Teachy 2023) - Question Easy of Physics

What are the main factors that influence the value of capacitance of a spherical capacitor?
a.
The geometry of the spheres and the dielectric material.
b.
The intensity of the electric current and the size of the conducting sphere.
c.
The dielectric material and the charge transfer rate.
d.
The number of free electrons in the dielectric material and the surface area of the conducting spheres.
e.
The potential difference between the two conducting spheres and the resistance of the wires connected to the capacitor.

Answer:

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur id consequat justo. Cras pellentesque urna ante, eget gravida quam pretium ut. Praesent aliquam nibh faucibus ligula placerat, eget pulvinar velit gravida. Nam sollicitudin pretium elit a feugiat. Vestibulum pharetra, sem quis tempor volutpat, magna diam tincidunt enim, in ullamcorper tellus nibh vitae turpis. In egestas convallis ultrices.

Answer key available only for registered teachers.
Register at Teachy and get access now!

Capacitance
Teachy originals
Those who search for this subject, also viewed these questions...
Question 1:

Medium

A company specialized in electronic equipment has been hired to develop a large-scale energy storage system using capacitors. Among several components, two distinct capacitors were chosen for feasibility tests. Capacitor A has a capacitance of 20μF and capacitor B has a capacitance of 50μF. During the tests, both capacitors are charged with the same potential difference (U) of 100V. The team of engineers wants to better understand the behavior of these capacitors before choosing the best component for the project. a) Calculate the amount of charge stored in each capacitor. b) Determine which capacitor stores a greater amount of capacitive energy (electrical potential energy). c) Considering the need to store the greatest amount of energy possible, which capacitor would be the best choice to compose the system? Justify your answer.
Teachy originals
Question 2:

Medium

What would be the immediate consequence of decreasing the distance between the plates of a parallel plate capacitor?
Teachy originals
Question 3:

Medium

Source: UNICESUMAR
Question 4:

Medium

In the universe, stellar evolution is a determining factor for the origin and distribution of chemical elements and for the emergence of solar and planetary systems. Suppose you are an astronomer studying a newly discovered star in a distant galaxy, and that star will go through all the stellar phases until its death. (a) Describe each of the main phases of the evolution of this star, from its formation from a cloud of gas and dust to its death as a white dwarf, neutron star, or black hole. (b) Explain how chemical elements are produced and distributed throughout this process. (c) Evaluate the possible implications of this stellar evolution on the emergence of planetary systems and the existence of life, considering the necessary conditions for the formation of solar and planetary systems.
Teachy originals
Did you like these questions? We have more than 100,000 like these for you, teacher!
Save time with Teachy!
With Teachy, you have access to:
Classes and contents
Automatic grading
Assignments, questions and materials
Personalized feedback
Follow us
on social media