PHYSICS
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Last updated 5:43 PM on 7/3/26
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5 Terms
1
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What is Ohm's Law?
Ohm's Law states that Voltage = Current × Resistance
2
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What does V stand for?
Unit: Volt (V)
Think: "The push that moves electricity."
3
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What does I stand for?
Unit: Ampere (A)
Think: "The flow of electricity."
4
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What does R stand for?
Unit: Ohm (Ω)
Think: "How much the wire resists electricity
5
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Quick Exam Tip
Back:
Remember VIR:
V = I × R
I = V ÷ R
R = V ÷ I
Memory sentence: "Voltage Is Resistance" (V-I-R) to help you remember the letters.