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三类SAT2物理学常见公式总结

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三类SAT2物理学常见公式总结,大伙在备考SAT2物理考试的时候能够适当了解一下此类讯息,总结很适合本人的备考方法。

物理光波学常见公式:

Snell´s Law: n1·sin(θ1) = n2·sin(θ2)

Wave speed: v = λ·f

Velocity of light: v = c/n

Magnification: m = -di/do

Law of Reflection: θreflection = θincidence

Mirror and lens equation: 1/d1 + 1/d1 = 1/f

物理热力学常见公式:

Heat added or emoved: Q = m·c·ΔT

Change in Internal Energy: ΔU = Q - W

Boyle´s Law: P1V1 = P2V2

Charles´s Law: V1/T1 = V2/T2

Efficiency of a heat engine(%): E = (W/Qhot)·100

物理电磁学常见公式:

Magnetic Fields and Forces Formulas

Magnetic force on a moving charge: F = q(v x B) = q·v·B·sin(θ)

Magnetic force on a current carrying wire: F = I·l·B·sin(θ)

Magnetic field created by a current: B = (μo/2π)·(I/r)

Faraday´s Law: E = -dΦ/dt

Electric Fields and Forces Formulas

Coulomb´s Law: F = k·q1·q1/r2

Electric field of a charge q: E = k·q/r2

Work done by electric field: W = q·E·d

Electric field between two metallic plates: E = V/d

DC Circuits Formulas

Ohm´s Law: V = I·R

Power dissipated in a resistor: P = I·V = V2/R = R·I2

Resistance: R = ρ·l/A

Equivalent resistance of series resistors: Rs = R1 + R2 +...

Equivalent resistance of parallel resistors: 1/Rp = 1/R1 + 1/R2 +...

Equivalent capacitance of series capacitors: 1/Cs = 1/C1 + 1/C2 +...

Equivalent capacitance of parallel capacitors: Cp = C1 + C2 +...

上述是三类SAT2物理学常见公式总结,希冀能够供大伙参考。

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