ECE110 is the first course that introduces you to the electrical side of ECE. It's split into two halves: the first covers electromagnetic fields, and the second covers electrical circuits. Because of the breadth of the material covered and the wide range of challenging questions they can ask, it's generally considered one of more challenging courses in first year.
Problem Solving, Memorization, Theoretical Knowledge.
Go to lectures! The lecturers are generally good, and if you can't learn from yours effectively there are always other sections you can go to. Understanding the theory is key in this course.
The online homework (called WileyPlus) will be annoying as they'll be lots and they'll be frequent, however do try to complete them all and understand how to the questions.
Despite the difficulty of this course, the easier labs will almost guarantee you pass the course.