Question about Electricity: Resistivity and Ohm's 2nd Law
Subject Physics
Physics
Source Originais Teachy
Originais Teachy
Topic Electricity: Resistivity and Ohm's 2nd Law
Electricity: Resistivity and Ohm's 2nd Law
Difficulty Hard
Hard
(Originais Teachy 2023) - Question Hard of Physics
Resistors have several important characteristics to be analyzed before their use, such as their tolerance, maximum power, and temperature. Which of these characteristics indicates the maximum allowed error in the resistance measurement?a.
Tolerance
b.
Current
c.
Temperature
d.
Maximum power
e.
Frequency
Answer sheet:
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. Sed non sem ultricies, sollicitudin sem facilisis, commodo justo. Maecenas mattis sodales nunc, et auctor massa fermentum a. Maecenas eget nisl felis.
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 sheet
You need to be a registered teacher to view the answer sheet
IARA TIP
Are you putting together a test or exercise list?
On Teachy’s platform, you can automatically generate these materials without spending hours searching for questions 😉
Those who viewed this question also liked...
Question
Question
Difficulty Medium
Source:
UNICESUMAR
Geometric Optics: Camera Obscura
Difficulty Medium
Question
Question
Difficulty Easy
Source:
Teachy
A motor operates according to the Carnot cycle between two thermal sources. The hot source is at a temperature of 500 K and the cold source at 300 K. Determine the efficiency of the motor, knowing that the efficiency of the Carnot cycle is calculated by the expression 1 - (Tcold/Thot), where Tcold and Thot are the temperatures of the cold and hot sources, respectively. Discuss briefly the importance of the maximum efficiency of the Carnot cycle in practical applications of thermal engines.
Thermodynamics: Carnot Cycle
Difficulty Easy
Question
Question
Difficulty Hard
Source:
Teachy
A traffic engineer installed convex mirrors at various busy intersections to enhance driver visibility and help prevent accidents. At the same time, at a research facility, concave mirrors are used to project larger images of scientific experiments. Taking into account the image formation properties of these two types of mirrors, which of the following statements accurately describes the characteristics of the images formed by convex and concave mirrors in these scenarios?
Convex and Concave Mirrors: Image Formation
Difficulty Hard
Question
Question
Difficulty Medium
Source:
Teachy
Explain the difference between the mass and weight of an object. How does gravity act on these quantities? And how can this influence the movement of an object on Earth? Give an example.
Gravitation: Gravitation Problems
Difficulty Medium
Join a community of teachers directly on WhatsApp
Connect with other teachers, receive and share materials, tips, training, and much more!
We reinvent teachers' lives with artificial intelligence
2023 - All rights reserved