Physics, 14.02.2021 02:20 juanitarodrigue
Two charges lie on the x-axis, one at the origin and the other at 14.3m What is the potential (relative to infinity) due to these charges at a point at 7.1m measured from the origin on the x-axis?
Answers: 3
Physics, 22.06.2019 14:20
How many atoms of nitrogen are in the chemical formula ni(w on
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Physics, 22.06.2019 18:00
Cells in the nervous system have a potential difference of 70 mv across the cell membrane separating the interior of the cell from the extracellular fluid. this potential difference is maintained by ion pumps that move charged ions across the membrane. is this an emf? select the correct answer and explanation. 1)no. the ion pumps cannot separate charges; thus, they cannot create a potential difference. 2)yes. the ion pumps cannot separate charges, but they still can create a potential difference. 3)yes. the ion pumps can actively separate charge; thus, they can create a potential difference. 4)no. the ion pumps can separate charges, but they cannot create a potential difference.
Answers: 1
Physics, 22.06.2019 19:40
Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?
Answers: 1
Physics, 23.06.2019 02:00
Consider an air-filled charged capacitor. how can its capacitance be increased?
Answers: 2
Two charges lie on the x-axis, one at the origin and the other at 14.3m What is the potential (relat...
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