What is the advantage of the SI unit over CGS units?
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Another word for electromagnetic energy is a. heat b. force c. matter d. radiation

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?

Why does the liquid rise up through the dip tube when the valve is open