Two resistor 10ohm each can be connected to give a combined resistor of
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How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

One nanometer is equal to how many meters?