Sunday, December 23, 2018

electricity - Would current flow through a 0 Ohm wire?


In order for current to flow (from say 12V to 0V) it needs to lose all of its energy (voltage). Resistance is what causes it to lose its energy, so if there was no resistance would there be any way for it to lose its energy and flow through the wire?




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classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

I am studying Statics and saw that: The moment of a force about a given axis (or Torque) is defined by the equation: $M_X = (\vec r \times \...