Solar Quiz #1

LED Light in Off-Grid Solar System

A 10-watt LED light runs for one hour. Which battery bank uses the most energy? *

They all use the same amount of energy

48-volt battery bank

24-volt battery bank

12-volt battery bank

When running this 10-watt LED light, approximately how much current is drawn from the 24-volt battery bank each hour? *

.4 amps

.8 amps

2 amps

.6 amps

As system voltage increases, what happens to wiring losses and required cable size? *

Losses increase and wires get larger

Losses stay the same

Losses decrease and wires can be smaller

Voltage has no effect on wiring

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Sproat Lake, Vancouver Island, BC

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