Question id 545 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

Parallel, so that isolation of loads decreases the bus-bar voltage.
Series, so that isolating one load increases the bus-bar current consumption.
Series, so that isolation of loads increases the bus-bar voltage.
Parallel, so that isolating individual loads decreases the bus-bar current consumption.

Training tests and timed exam simulations ATPL - Airline Transport Pilot license