Electrical / Electronics
Unknown voltage from KVL
Calculates signed unknown voltage from a loop balance using the supplied source/drop convention.
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Unknown branch current from KCL
Calculates signed unknown branch current from current balance; a negative result means the opposite direction to the assumption.
RC charging capacitor voltage
Calculates capacitor voltage during charging of an ideal RC circuit.
RC discharging capacitor voltage
Calculates capacitor voltage during discharge of an ideal RC circuit.
Voltage divider
Calculates the output voltage of an ideal resistor divider.
DC current divider for two branches
Calculates currents in two parallel resistive branches of an ideal current divider.
DC source internal power loss
Calculates power loss in a source internal resistance from current and resistance.