Detailed Instructions: You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.
Problem:Question: Causing a series to gain resistors will result in a/an _____ in the total resistance of the circuit. 
 Option1: increase 
 Option2: decrease 
 Explanation: As more resistors are added in series, the total resistance of the circuit increases.
Solution:
increase