A Digitech RP250 is not a guitar. It is a digital effects processor/modeler for guitar.
an electric guitar can cost from £50 to £2000
round about £200 it depends
$20
Electric, about $80
It Depends on the guitar, however they are not generally much bigger than you would expect.
The keyboard is an electric instrument. Pretty much instrument that plugs in is an electric instrument, with exceptions to the acoustic-electric guitar.
13 lbs
100 - 200 dollars
abt Rs 10,000
60dollers-2.5milion dollars
I good playable electric guitar for a band will cost you 300+ dollars.
The big difference between these types of guitar is that an electric is much quieter than an acoustic. In a high school class full of teenagers a student with an electric guitar will not be able to be heard by the teacher. This is a BIG detriment to one's progression with the instrument. Most classes require an acoustic guitar but technically you can still learn in a group setting with a quieter electric guitar.