Summarized Fatawaa

What is the ruling of Sharia on charging one`s mobile from the plug of the university`s lecture room?

Praise be to Allah the Lord of the Worlds. May His peace and blessings be upon our Prophet Mohammad and upon all his family and companions.
The pious wouldn`t do that. And Allah The Almighty Knows Best.

Is it permissible for the wife to give the Zakah (obligatory charity) of her money to her poor husband?

Yes, it is permissible for the wife to give from the Zakah of her money to her poor husband. And Allah Knows Best.

Is it permissible to abort a less than one-month-old fetus?

All perfect praise be to Allah the Lord of The Worlds. May His peace and blessings be upon our Prophet Mohammad and upon all his family and companions.
Abortion is forbidden; therefore, it isn`t allowed except if endangers the life of the mother and such thing should be confirmed by god- fearing, specialized, trustworthy medical doctors. And Allah The Almighty Knows Best.

My brother is settling a debt on my behalf and in return he takes 30% interest as an additional amount of the whole sum. Is this lawful or not?

This additional amount is considered prohibited interest (Riba) according to Islamic law, and it is not permissible to take it. And Allah Knows Best.