If you are keen on the type of work you would be doing for free it's very worth doing it as it looks good on your cv and you learn so much I Was travelling down to bristol and places like that for £10 a day because my train fair was like £40 and working 13-15 hour days in the warehouse and out on gigs just so I could learn and gain experience and enhance my cv and because I love it. Electrical engineering is a good field and means you can apply your knowledge to most things. for example what I do sound and video , they both rely heavily on the operators knowledge of power e.t.c and if you are able to fix problems your ahead. Just try different things It took me 4 years to find myself. Get out there work your arse off the piss your life up the wall when you are older and earning the money , Hope this makes some sense and is some help.