On the blank write the CAPITAL letter of ALL the possible answer(s). Also CIRCLE the letter(s) of the answer(s). 1. The current through two identical resistors in series is 1.0 A. The total voltage is 12 V. The resistance of just a single resistor is A. 6 ohms. B. D. Cannot determine. 24 ohms. E. None of these. C. 12 ohms. 2. If you connect lamps in series, one advantage (over parallel) is that A. the lamps are dimmer. D. you use less energy. B. if one lamp goes out, the rest stay on. E. the lamps are brighter (than in parallel) C. if one lamp goes out, ALL go out. 3. In a parallel circuit . total resistance is the sum of all the resistors. B. total current is the sum of all currents in all branches. C. total voltage is the sum of all the voltages in all branches. D. Two of these are correct. 4 . When a 1-ohm and a 10-ohm resistor are parallel to each other, the equivalent (total) resistance is A. between 1 and 11-ohms, inclusive. D. None of these. B. larger than 11-ohms. E. Cannot determine (need I, V). C. smaller than 1-ohm. A 5 . Two lamps, one with a thick filament and one with a thin filament, are connected in series to a battery. The voltage is greater across the lamp with the A. Voltage is the same for both. D. Cannot determine. B. thick filament. E. None of these. C. thin filament. B 6. The symbol used to represent a resistor in a schematic diagram is A. a rectangle, with a "knob" at the end C. a single line that is broken and has a bend in it. B. a zig-zag line. D. two straight lines of equal length 7. Compared to the resistance of two resistors in parallel, the same two resistors in series have A. the same resistance. D. Cannot determine. B. less resistance. E. None of these. C. more resistance. 8. For light bulbs in a parallel circuit (vs series) all of the following are true EXCEPT A. the light bulbs are brighter "D. the light bulbs are dimmer B. if one bulb goes out, all bulbs go out E. All of these are true for parallel circuit C. more power is consumed than in series