query: Why is the emf over an inductor equal to that of the battery?
positive_passages.docid: 147129
positive_passages.text: If induced voltage (back-emf) is equal and opposite to applied voltage, what drives the current?
negative_passages.docid: 22194
negative_passages.text: 9V battery and resistor are connected in series - the voltage across the resistor is < 9V. Why?
negative_passages.docid: 122157
negative_passages.text: Application of Kirchhoff's laws in circuits with inductors
negative_passages.docid: 19380
negative_passages.text: The equivalent electric field of a magnetic field
negative_passages.docid: 61073
negative_passages.text: Why is electric flux defined as $\Phi = E \cdot S$?
negative_passages.docid: 109821
negative_passages.text: DC Motor Overvoltage Operation
negative_passages.docid: 5348
negative_passages.text: Potential difference across a zero resistance wire
negative_passages.docid: 2282
negative_passages.text: Why is inductance (L) proportional with turns-square (N²)?
negative_passages.docid: 158111
negative_passages.text: Why does electromagnetic induction actually occur?
negative_passages.docid: 87391
negative_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: 20850
negative_passages.text: Why does connecting a battery's positive terminal to the negative terminal of another battery not create a short circuit?
negative_passages.docid: 79720
negative_passages.text: In a simple battery + resistor circuit, what form of energy is lost from the electrons upon exiting the resistor?
negative_passages.docid: 45354
negative_passages.text: Why does inductor current lag the applied voltage at its terminal by 90 degrees?
negative_passages.docid: 41956
negative_passages.text: Why if the torque equals zero measured from one point in space it equals zero measured from any other point?
negative_passages.docid: 121203
negative_passages.text: Why does the voltage drop at each resistor remain the same in a parallel circuit?
negative_passages.docid: 39883
negative_passages.text: When a battery is your power source, what is ground?
negative_passages.docid: 13395
negative_passages.text: Why aren't Faraday's law of induction and Maxwell-Ampere's law (without sources) symmetric?