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电学
直流电路计算。
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Capacitor and RC circuit
Time constant, cutoff, charge and stored energy.
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Ohm's law and DC power
Derive voltage, current, resistance and power from any compatible pair.
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Series and parallel resistors
Equivalent resistance for two resistors.
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Electric charge and energy
Charge, power and energy from current, voltage and time.
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Inductor and AC reactance
Stored magnetic energy and inductive reactance.