Home  >  Class 12 Physics  >  Class 12 Physics Practice Test: Ampere and Forces between Two Parallel Currents

Two parallel, long wires carry currents I1 and I2 where I1 > I2. When the currents are in the same direction, the magnetic field at a point midway between the wires is 50 μT. If the direction of I2 is revered, the field becomes 100 μT. What is the value of \(\frac {I_1}{I_2}\)?

🎲 Try a Random Question  |  Total Questions in Quiz: 7  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
Class 12 Physics Practice Test: Ampere and Forces between Two Parallel Currents — practice the complete quiz, review flashcards, or try a random question.
🧠 Flashcards (fast review) 🧪 Practice Quiz ⚔️ Challenge a Friend 🥊

Two parallel, long wires carry currents I<sub>1</sub> and I<sub>2</sub> where I<sub>1</sub> > I<sub>2</sub>. When the currents are in the same direction, the magnetic field at a point midway between the wires is 50 μT. If the direction of I<sub>2</sub> is revered, the field becomes 100 μT. What is the value of \(\frac {I_1}{I_2}\)?






 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.