AP Physics C: E&M Circuit Formulas

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Physics

Circuits

Last updated 2:52 PM on 9/8/22
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12 Terms

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P=IV
P=I^2R
P=V^2/R
Formulas for power
2
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1/R(p) = ∑1/R(i)
Formula for equivalent resistance
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I = V/R
V = IR
Formulas about current, voltage and resistance
4
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a voltage gain
Batteries in the same direction as the loop are
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a voltage loss
Batteries in the opposite direction as the loop are
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a voltage loss
Resistors in the same direction as the loop are
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a voltage gain
Resistors in the opposite direction as the loop are
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zero
Voltage at the negative end of a battery
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I1+- I2 +- I3 = 0
Kirchoff's Law
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RREF
What calculator function do you use for Kirchoff's Law matrices?
11
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voltmeter
Machine used to measure voltage
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ammeter
Machine used to measure current