Current - flow of electric charge

Resistance-a measurement of the difficulty encountered by a power source in forcing electric current through an electrical circuit

Power-To supple energy or force.

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Semiconductors, Conductors, Insulators.

Semiconductors- a substance as a silicon or germanium-with electrical conductivity intermediate between

Conductors- A Material through which electric current can pass

Insulators- An material or an object that does not easily allow heat , electricity and light .

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