What is Resistance
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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). Ohms are named after Georg Simon Ohm (1784-1854), a German physicist who studied the relationship between voltage, current and resistance.
Explanation:
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Answer:
The electrical resistance of a circuit component or device is defined as the ratio of the voltage applied to the electric current which flows through it: Whether or not a material obeys Ohm's law, its resistance can be described in terms of its bulk resistivity.
Resistance has units of ohms (Ω), related to volts and amperes by 1 Ω = 1 V/A. There is a voltage or IR drop across a resistor, caused by the current flowing through it, given by V = IR.