it is an electrical conponents that limits or regulate the flow of electrical current is an electronic circuit

Resistor

An electrical component that limits or regulates the flow of electrical current in an electronic circuit

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The speed of  sound:   sound travels  at different speeds depending on what it istraveling through. of the three mediums (gas, liquid, and solid)  sound waves travel the slowest through  gases, faster  through  liquids, and fastest  through  solids.