It is said that if someone accidentally touches a powerful electric source, they get stuck to it and often die due to the same effect. Is it true, or it is just a perception of the affected person?
What happens is not due to some stickiness inherent to electricity, but rather, the electric shock causes your muscles to involuntarily contract. If you're unlucky, such a contraction could effect a firm grip around the electric source, which would render you unable to let go of it.
All about circuits elaborates: