It is beneficial to use cover letter in most of the applications and in some applications you are required to write one. The objective of a cover letter is to increase the likelihood of your CV will be elaborated. You should explain yourself on the cover letter but it must not be the word-to-word repetition of the CV.
Cover letter is a single page and 3 to 4 paragraphs.
1st Paragraph: Which position are you applying for? How have you heard about the position?
2nd Paragraph: What are your skills, abilities, experiences, and other relevant professional info? What makes you an eligible candidate for that position?
3rd Paragraph: Why do you want to work for that institution? Thanks and conclusion.
Click here to view Cover Letter Sample provided by BİLGİ Talent Development.