Edzy
AI TutorResourcesToolsCompareBuy
SearchDownload AppLogin
Edzy

Edzy for Classes 6-12

Edzy is a personal AI tutor for CBSE and State Board students, with curriculum-aligned guidance, practice, revision, and study plans that adapt to each learner.

  • Email: always@edzy.ai
  • Phone: +91 96256 68472
  • WhatsApp: +91 96256 68472
  • Address: Sector 63, Gurgaon, Haryana

Follow Edzy

Browse by Class

  • CBSE Class 6
  • CBSE Class 7
  • CBSE Class 8
  • CBSE Class 9
  • CBSE Class 10
  • CBSE Class 11
  • CBSE Class 12
Explore the CBSE resource hub

Explore Edzy

  • Study Resources
  • Free Study Tools
  • Best Apps for Board Exams
  • Edzy vs ChatGPT
  • About Us
  • Why We Built Edzy
  • Blog
  • CBSE AI Tutor

Support & Legal

  • Help & FAQs
  • Accessibility
  • Privacy Policy
  • Terms & Conditions
  • Refund Policy
  • Cookie Policy
  • Site Directory

© 2026 Edzy. All rights reserved.

Curriculum-aligned learning paths for students in Classes 6-12.

MC
Question Practice

What is the magnetic field strength at a point due to a long straight current-carrying conductor?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 12
Physics
Physics Part - I
MOVING CHARGES AND MAGNETISM
Question Bank

What is the magnetic field str...

Single Answer MCQ
Q-00085451

What is the magnetic field strength at a point due to a long straight current-carrying conductor?

1

B = μ₀I/2πd

2

B = I/μ₀d

3

B = μ₀I²/2πd

4

B = 2πμ₀I/d

Previous QuestionNext Question

Video Explanation

Answer

Solution:

Watch Video Solution

Login to get access

Keep Practising

Students who asked this also explored

Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Q1.

Who first discovered the relationship between electricity and magnetism?

Single Answer MCQ
View explanation
Q2.

What happens to the orientation of a compass needle when the direction of current in a wire is reversed?

Single Answer MCQ
View explanation
Q3.

In which direction does the magnetic field generated by a current-carrying wire circulate around the wire?

Single Answer MCQ
View explanation
Q4.

What did Oersted note about the magnetic compass needle during his experiment?

Single Answer MCQ
View explanation