Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing Schools Business

Features Pricing Schools Business

Types of Electrical Conductors and Superconductors

10 Questions

1 Views

Types of Electrical Conductors and Superconductors

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What happens to the electrons in a conductor with no voltage applied?

They have almost no resistance to electron flow.

They flow towards the positive terminal of the voltage source.

They resist movement due to being tightly bound to nuclei.

They drift away from the nuclei but do not flow in any one direction. (correct)

Who discovered superconductivity in 1911?

Heike Kamerlingh Onnes (correct)

Marie Curie

Thomas Edison

Albert Einstein

What is the main function of a resistor in an electric circuit?

To prevent any current from flowing

To allow electric current to pass with little resistance

To provide no resistance to current flow

To limit the amount of current that flows through it (correct)

How is resistance typically measured?

In Ohms (Ω) (C) Signup and view all the answers

What type of materials are commonly used to make resistors?

Wire-round and Carbon-composition (B) Signup and view all the answers

What happens to the resistance in a circuit if components are added in a series?

The resistance increases (C) Signup and view all the answers

What is the function of a variable resistor or rheostat in a circuit?

It changes the current flow gradually (C) Signup and view all the answers

According to Ohm's law, what is the relationship between current and voltage?

Current is directly proportional to voltage (C) Signup and view all the answers

What happens to the brightness of light bulbs in a series circuit if an extra bulb is added?

The bulbs get dimmer (A) Signup and view all the answers

What characteristic is shared by flowing water and flowing electricity as mentioned in the text?

Both experience resistance in their paths (C) Signup and view all the answers