Free DAA Electrical Comprehension practice
Electrical comprehension covers simple circuits — series and parallel wiring, switches, and what happens to bulbs when connections change. Each question shows a circuit diagram to reason from.
Read the full electrical comprehension guide →
Try the official free practice first
The Royal Navy publishes free official DAA familiarisation questions that show the real question formats and the time allowed for each part. Try them first — our practice is extra drilling for the same abilities, not a copy of the real test.
Open the Royal Navy DAA familiarisation questions ↗Try a free sample
Two identical bulbs, L1 and L2, are wired in series as shown. If bulb L1 is removed from its holder, what happens to bulb L2?
Unlock all 6 DAA sections
One payment unlocks every section of the Defence Aptitude Assessment — verbal reasoning, numerical reasoning, work rate, spatial reasoning, mechanical comprehension, electrical comprehension — with full question banks and unlimited mock tests. One-time payment, no subscription.
These are original practice questions for the abilities the Defence Aptitude Assessment (DAA) assesses. They are not the official questions, and our question formats, section lengths and timings are our own — they differ from the real test. Forces Ready is independent and not affiliated with or endorsed by the RAF, Royal Navy, British Army or Ministry of Defence — always follow the official guidance from your Armed Forces Careers Office.