what is resistance? what is the resistance of conductor if 20 mA current flow through it when connected to an 8 v battery?
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Answer:
Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms, symbolized by the Greek letter omega (Ω). ... Conductors: Materials that offer very little resistance where electrons can move easily.
Explanation:
r=v/i
8/20×10^-3
answer is 400v
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