1. An object that does not give off its own light is called 2. The tilt of the Earth's axis creates the


3. Both of the movements of the Earth causes interesting changes on the

4. The word solar means of the

5. When the Sun, the Earth and the Moon are in line there is an/a ​

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?