Which of the following explains how electricity flows? a) protons flow from the positive end of a source towards the negative end. b) electrons flow from the negative end of a source towards the positive end. c) electrons flow from the positive end of a source towards the negative end. d) protons flow from the negative end of a source towards the positive end.

b) Electrons flow from the negative end of a source towards the positive end.

we know that opposite charges attract and like charges repel. the electrons being negatively charged are attracted towards the positive terminal. hence electron moves from negative end to positive end.

the protons being heavy doesn't move at all when the current flows.

explanation: in any substance/object, the particles inside it (atoms/molecules) constantly move in random directions and with random speeds (this motion is called brownian motion). as a result, the particles have some kinetic energy (which is proportional to the temperature of the substance).

explanation:

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