Electrical / Electronics
Basic RL time constant
Calculates the time constant of a simple RL circuit from inductance and resistance.
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RL time constant
Calculates the time constant of a simple resistor-inductor circuit.
Inductor energy
Calculates stored energy in an ideal inductor from inductance and current.
Resistors in series
Calculates the total resistance of resistors connected in series.
Resistors in parallel
Calculates the total resistance of resistors connected in parallel.
BJT base resistor
Calculates a base resistor for simplified BJT transistor drive.
Current divider for two resistors
Calculates branch currents in an ideal two-resistor current divider.