PHYS 212 Class Activity -10/2/17 Circuits in Series and Parallel (4 points) Part

Question

PHYS 212 Class Activity -10/2/17 Circuits in Series and Parallel (4 points) Participation (i.e. answering all the questions) 1.(1 point) Resistors in series have the same (circle one) a) Voltage difference Current 2. (1 point) Resistors in parllel have the same (circle one) ) vottage difference c) Current R2 R, 3. (1 point) R8 and R10 are in 4. (1 point) R6 and R7 are in 5. (1 point) R9 and (R8 and R10) are in 6. (1 point) R2 and R1 are in b) Parallel b) Parallel a) Series b) Parallel b) Parallel a) Series a) Series c) Neither c) Neither c) Neither c) Neither a) Series 7. (1 point) A circuit contains a battery, a switch, and two light bulbs which serve as sources of resistance (see figure to the right). The switch is initially open. When the switch is closed, how will the brightness of bulb D compare to that of bulb E? a. Bulb D will be brighter than Bulb E b. Bulb D will be dimmer than Bulb E c. Both bulbs will be the same brightness 8. (1 point) How will the brightness of Bulb D when the switch is open compare to the brightness of Bulb D when the switch is closed? Circuit for Problems 7 and 8 a. Bulb D will be brighter after the switch is closed b. Bulb D will be dimmer after the switch is closed c. The brightness will be the same

Explanation / Answer

1.Resistor in series have same current.

2.Resistor in parallel have same voltage difference.

3.R8 and R10 are in series.

4.R6 and R7 are in neither.

5.R9 and (R8 and R10) are in parallel.

6.R2 and R1 are in niether.

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