ID: B Name: A 2-ohm resistor and a 1-ohm resistor are in parallel. If the total current is 12A, how much current flows through the 1-ohm resistor? A. 3 A or less. D. 9 A or more. B. between 7 to 8 A, inclusive E. Cannot determine. Need total V. between 4 to 6 A, inclusive 10. In order for light bulbs to work in a circuit, which is NOT required? A. an electric potential source D. light bulbs B. a closed loop E. All of these are required. . more than one path for current to flow 11. when two different light bulbs are connected in series, the A. potential difference is the same throughout the circuit. B. total current equals the sum of all the currents through each bulb. C. current through each light bulb is proportional to the resistance of the bulb. D. None of these. 12. Three identical resistors are connected in parallel, If the total voltage is 24 V, and the total current is 6 A, what is the current through one resitor? A. 6A D. 12 A B. 2 A E. None of these. C. 4 A 13. In a series circuit, A. 1/R. = 1/R1 + 1/R2 B. the total current is the sum of all the currents through all resistors. C. the total voltage is the sum of the total current and total resistance. D. voltage everywhere in the circuit is the same. E. None of the above. 14. Two resistors (1 ohm & 3 ohm) are connected in parallel to a 12 V battery. If the total current is 16 A, how much current goes through the 3-ohm resistor? A. 4 A or less D. None of these. B. between 4.1 and 15.9 A E. Unable to determine. C. 16 A or more 15. Three lamps, one with a thick filament, one with a thin filament, one with medium filament are connected in parallel to a battery. Which is true? A. The current is the same in all. The thick filament lamp has the greatest current. C. The thin filament lamp has the greatest current. D. The total voltage is the sum of all the voltages across each lamp. 16. A 60-W light bulb and a 100-W light bulb are both connected in parallel to a 120-V outlet. Which light bulb has more current in it? A. the 60-W bulb C. Both have the same current. B. the 100-W bulb D. Need the resistances to solve. 2