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

Search...

10 Questions

3 Views

Electricity and Magnetism

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

Which phenomenon did Hans Christian Oersted discover during his lecture demonstration in 1820?

The reversal of the needle's orientation

The alignment of the needle with the wire

The deflection of the compass needle by a current in a wire (correct)

The relationship between electricity and magnetism

What is the orientation of the needle when a current flows through the wire?

Parallel to the wire

Tangential to an imaginary circle (correct)

Perpendicular to the wire

Aligned with the earth's magnetic field

What happens to the orientation of the needle when the direction of the current is reversed?

The needle remains in the same orientation

The needle aligns with the earth's magnetic field

The needle points towards the wire

The orientation of the needle is reversed (correct)

What factors affect the deflection of the compass needle?

The distance between the wire and the needle Signup and view all the answers

What did the iron filings around the wire form?

A magnetic compass Signup and view all the answers

Which equation represents the force experienced by a charge q in an electric field E?

F = qE Signup and view all the answers

Who stressed the concept of a field and incorporated it into the unification of electricity and magnetism?

Faraday Signup and view all the answers

How do multiple charges contribute to the electric field at a particular point?

The fields add vectorially Signup and view all the answers

Can electric fields vary with time?

No, they are constant Signup and view all the answers

What is the physical role of an electric field?

It can convey energy and momentum Signup and view all the answers