Using a 1-mF capacitor, a 2-mF capacitor, and a 3-mF capacitor, which of the following capacitances cannot be made by a combination that uses all three? (Hint: At most only 2 combinations must be considered to determine the correct answer.)
a. 6/11 mF
c. 11/3 mF
b. 6 mF
d. 7 mF
D
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Fill in the blank(s) with correct word
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