![If a solenoid is an electromagnet, then why do we consider the magnetic field outside it to be 0? - Quora If a solenoid is an electromagnet, then why do we consider the magnetic field outside it to be 0? - Quora](https://qph.cf2.quoracdn.net/main-qimg-e8146744fa48d6920f74e54c5cbeb37d.webp)
If a solenoid is an electromagnet, then why do we consider the magnetic field outside it to be 0? - Quora
![The magnitude of electric field outside the solenoid at a distance r > R from its long central axis is The magnitude of electric field outside the solenoid at a distance r > R from its long central axis is](https://d1hj4to4g9ba46.cloudfront.net/questions/120981.png)
The magnitude of electric field outside the solenoid at a distance r > R from its long central axis is
![Unit 4 Day 8 – Ampere's Law & Magnetic Fields thru Solenoids & Toroids Definition of Current Ampere's Law Magnetic Field Inside & Outside a Current Carrying. - ppt download Unit 4 Day 8 – Ampere's Law & Magnetic Fields thru Solenoids & Toroids Definition of Current Ampere's Law Magnetic Field Inside & Outside a Current Carrying. - ppt download](https://images.slideplayer.com/15/4536023/slides/slide_8.jpg)
Unit 4 Day 8 – Ampere's Law & Magnetic Fields thru Solenoids & Toroids Definition of Current Ampere's Law Magnetic Field Inside & Outside a Current Carrying. - ppt download
![electromagnetism - Magnetic field outside an infinite solenoid carrying time varying current - Physics Stack Exchange electromagnetism - Magnetic field outside an infinite solenoid carrying time varying current - Physics Stack Exchange](https://i.stack.imgur.com/SImhf.png)
electromagnetism - Magnetic field outside an infinite solenoid carrying time varying current - Physics Stack Exchange
![Analysis of the influence of a solenoid magnetic field in the azimuth transmission system | Scientific Reports Analysis of the influence of a solenoid magnetic field in the azimuth transmission system | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-021-95783-0/MediaObjects/41598_2021_95783_Fig1_HTML.png)
Analysis of the influence of a solenoid magnetic field in the azimuth transmission system | Scientific Reports
Draw the magnetic field lines due to a current passing through a long solenoid. Use Ampere's circuital law, to obtain the expression for the magnetic field due to the current I in
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