Physics, 02.02.2020 19:52 hannahpelkey
In a parallel circuit, the first resistor has a resistance of 4 ω and a current of 4 a. the second resistor has a resistance of 8 ω but the current is unknown. the third resistor has unknown resistance, but the current is 6 a. what is the resistance of the third resistor? a. 1.0 ω b. 2.0 ω c. 2.7 ω d. 12.0 ω
Answers: 3
Physics, 21.06.2019 21:30, canyonrico05
One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?
Answers: 3
Physics, 22.06.2019 11:00, vanvalenpeyt
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space. b. we'll know it immediately because it will be brighter than the full moon in the sky. c. we won't know about it until 600 years from now. d. none of the above.
Answers: 3
Physics, 23.06.2019 03:50, kiylabeasty7302
Asimple electrochemical cell contains two electrodes? t or f
Answers: 2
In a parallel circuit, the first resistor has a resistance of 4 ω and a current of 4 a. the second r...
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