Skip to main content

Test yourself: 5 hard theory questions, free

Free test
easyelectrical-systems

A transformer-rectifier unit (TRU) converts:

A

DC to AC

B

115V AC to 26V AC

C

AC to DC

D

28V DC to 115V AC

Checking member access

One moment while we confirm your plan so paid members never see checkout by mistake.

Checking member access before showing upgrade options

Keep practising

See where you stand: 5 hard questions, instant score, every answer explained.