query: Why Ampere's law uses the current which passes through the open surface only?
positive_passages.docid: 87391
positive_passages.text: Integral version of Ampere's law: why current outside the surface does not contribute to $\oint B\cdot d\ell$?
negative_passages.docid: 136484
negative_passages.text: Electric current and drift velocity
negative_passages.docid: 102954
negative_passages.text: Gauss law and electric flux
negative_passages.docid: 87001
negative_passages.text: Why we cannot use Gauss's Law to find the Electric Field of a finite-length charged wire?
negative_passages.docid: 14726
negative_passages.text: Electric field inside a conductor
negative_passages.docid: 62616
negative_passages.text: Why is electric field of an infinite plate constant at all points?
negative_passages.docid: 64598
negative_passages.text: Relationship between current through a motor and it's load
negative_passages.docid: 58207
negative_passages.text: Current against the inverse of resistance graph, $I = V/R +c$
negative_passages.docid: 142013
negative_passages.text: What is the difference between Biot-Savart law and Ampere's law?
negative_passages.docid: 13395
negative_passages.text: Why aren't Faraday's law of induction and Maxwell-Ampere's law (without sources) symmetric?
negative_passages.docid: 53441
negative_passages.text: Simple explanation to the induction from the slowly changing $\vec B$ of a solenoid in the region of $0$ magnetic field
negative_passages.docid: 83507
negative_passages.text: How is possible for current to flow so fast when charge flows so slow?
negative_passages.docid: 135501
negative_passages.text: Why isn't maximum current forced upon a circuit by a power source?
negative_passages.docid: 2511
negative_passages.text: Displacement currents, aren't really currents?
negative_passages.docid: 43640
negative_passages.text: Steady-State Current
negative_passages.docid: 27424
negative_passages.text: In electrostatics, why the electric field inside a conductor is zero?
negative_passages.docid: 18897
negative_passages.text: Why can current only flow in loops?