PhysicsLAB Worksheet
Resistance, Wattage, and Brightness

Printer Friendly Version
Refer to the following information for the next seven questions.

Assume that all bulbs have filaments that are the same length.
1. Which statement is true of generic light bulbs that are rated at 40 watts and 75 watts when tested in 120-V outlets?



 
2. Two lamps, one with a thick filament and the other with a thin filament are connected in parallel. The current is greater in the lamp with the
 
3. Two lamps, one with a thick filament and the other with a thin filament are connected in series to a battery. The voltage drop is greater in the lamp with the
 
4. Two lamps, one with a thick filament and the other with a thin filament are connect in series. The current is greater in the lamp with the
 
5. Two lamps, one with a thick filament and the other with a thin filament are connect in parallel across a battery. The voltage drop is greater in the lamp with the
 
6. As more and more lamps are connected in a parallel circuit, the overall current drawn from the battery
 
7. As more and more lamps are connected in a series circuit, the overall current drawn from the battery
 
Refer to the following information for the next eleven questions.

In each of the following diagrams, all batteries have the same voltage and all lamps are identical.
8. Compared to A, lamp B would shine
 
 
 
 
9. Compared to A, lamp B would shine
 
 
 
 
10. Compared to A, lamp B would shine
 
 
 
 
11. Compared to A, lamp B would shine
 
 
 
 
12. Compared to A, lamp B would shine
 
 
 
 
13. Compared to A, lamp B would shine
 
 
 
 
14. Compared to A, lamp B would shine
 
 
 
 
15. Compared to A, lamp B would shine
 
 
 
 
16. Compared to A, lamp B would shine
 
 
 
 
17. Compared to A, lamp B would shine
 
 
 
 
18. Compared to A, lamp B would shine
 
 
 
 



 
Related Documents




PhysicsLAB
Copyright © 1997-2017
Catharine H. Colwell
All rights reserved.
Application Programmer
    Mark Acton