If you were to unscrew bulb B from its socket (effectively removing it from the circuit and leaving a gap in its place), bulb A would
A. get brighter.
B. become dimmer.
C. remain at the same brightness.
D. go out.
B. become dimmer.
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Which is true about cold dark matter?
a) Cold dark matter interacts strongly with ordinary baryonic matter via the strong force. b) Cold dark matter particles travel faster than the speed of light. c) Cold dark matter particles travel more slowly than hot dark matter particles. d) Cold dark matter exists only within planets and stars but not in other parts of galaxiesor intergalactic space. e) Cold dark matter emits X-rays, but no other forms of radiation.
Which of the following statements best describes the general pattern of composition among the four jovian planets?
a. Jupiter is made mostly of hydrogen and helium, while the other three jovian planets are made mostly of hydrogen compounds. b. Jupiter is made mostly of hydrogen, Saturn is made mostly of helium, Uranus is made mostly of hydrogen compounds, and Neptune is made mostly of rock. c. Uranus and Neptune contain relatively more rock and hydrogen compounds than Jupiter and Saturn. d. All four planets have essentially the same composition.
Determine the charge stored by C1 when C1 = 20 ?F, C2 = 10 ?F, C3 = 30 ?F, and V0 = 18 V.
A. 0.37 mC B. 0.24 mC C. 0.32 mC D. 0.40 mC E. 0.50 mC
State Kirchhoff's junction rule
What will be an ideal response?