1.Three charges, each QQQ, are at A(−K,0)A(-K,0)A(−K,0), O(0,0)O(0,0)O(0,0), and B(0,K)B(0,K)B(0,K). If the force on a test charge at AAA is ai^+bj^a\hat{i}+b\hat{j}ai^+bj^, then the force on the same test charge at BBB isa.−ai^−bj^-a\hat{i}-b\hat{j}−ai^−bj^b.bi^+aj^b\hat{i}+a\hat{j}bi^+aj^c.−bi^−aj^-b\hat{i}-a\hat{j}−bi^−aj^d.−aj^+bi^-a\hat{j}+b\hat{i}−aj^+bi^Login to continueOnly logged in users canattempt or see the solution.