Physics, 21.04.2021 19:20 abtj4r7668g
Students are experimenting with circuits in their physics class, and they build the two
working circuits pictured below. The battery in each circuit is identical, and each bulb
(resistor) they add provides the same amount of resistance.
Circuit A
Circuit B
RI
R2
RE
H
W
w
They notice that every time they added bulb 3 (R3) to circuit A, the brightness of all
the bulbs dimmed, but when they added bulb 3 (R3) to circuit B, there is no change
to the brightness. Which explanation of this observation is most complete?
Answers: 1
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Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)
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Students are experimenting with circuits in their physics class, and they build the two
working ci...
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