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Series Circuits - Technical MCQs

Q1:

If 5 V and 16 V power supplies are connected in series-opposing, what is the total voltage?

A 11 V

B 16 V

C 21 V

D 80 V

ANS:A - 11 V

Voltages in series get added if they are in the same direction since they are series-opposing they will be subtracted so 16 - 5 = 11v.