resistance
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how to define it and it's si unit thx
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re‧sist‧ance /rɪˈzɪstəns/ Pronunciation Key - Show Spelled Pronunciation[ri-zis-tuhns] Pronunciation Key - Show IPA Pronunciation
–noun
1. the act or power of resisting, opposing, or withstanding.
2. the opposition offered by one thing, force, etc., to another.
3. Electricity.
a. Also called ohmic resistance. a property of a conductor by virtue of which the passage of current is opposed, causing electric energy to be transformed into heat: equal to the voltage across the conductor divided by the current flowing in the conductor: usually measured in ohms. Abbreviation:. R
b. a conductor or coil offering such opposition; resistor.
4. Psychiatry. opposition to an attempt to bring repressed thoughts or feelings into consciousness.
5. (often initial capital letter) an underground organization composed of groups of private individuals working as an opposition force in a conquered country to overthrow the occupying power, usually by acts of sabotage, guerrilla warfare, etc.: the resistance during the German occupation in World War II.
6. Stock Exchange. resistance level. -
What resistance? There are many kinds of resistance. Electrical resistance. Water resistance. Air resistance. and etc...
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resistence for a democratic system in iran!
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Resistance= Volt / Ampere
Resistance is something going aginst the force of nature or will