58 n resistor ADLC Question 20 Not yet answered Marked out of 1.00 \"'7 Flag question If you measured the voltage across the resistor in this circuit, you'd expect it to read D V. Record your answer to two digits, include a decimal if needed. Question 21 Not yet answered Marked out of 1.00 F Flag question Suppose you wanted to triple the reading on the ammeter. Choose one change from column a m column b that would combine to make this change. There is more than one combination that correctly answers the question, please answer with only one of the possible answers. . - First change - - Second hange 1 dd one battery Replace the esistor with a 28 . resistor p 2 . dd two batteries 3 dd three batteries 4 dd four batteries resistor