27. The sum of all the voltage drops around a single closed loop in a circuit is zero.
28. A short in a series circuit prevents current.
29. A series circuit acts as a current divider.
30. Series aiding is a term sometimes used to describe voltage sources of the same polarity in series.
31. When a fourth resistor is connected in series with three resistors, the total resistance
32. A string of five series resistors is connected across a 6 V battery. Zero voltage is measured across all resistors except R3. The voltage across R3 is
33. A series circuit consists of three resistors with values of 120 , 270 , and 330 . The total resistance is
34. A certain series circuit consists of a 1/8 W resistor, a 1/4 W resistor, and a 1/2 W resistor. The total resistance is 1200 . If each resistor is operating in the circuit at its maximum power dissipation, total current flow is
35. Which of the following series combinations dissipates the most power when connected across a 120 V source?