A geostationary satellite orbits around the earth in a circular orbit of radius 36000 km. then the time period of satellite orbiting 2600 km above the earth's surface (R earth = 6400 km) will approximately be: a) 1/2 hr
b) 1 hr
c) 3 hr
d) 4hr
please answer only if you know the solution ​

Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.

An atom that has gained or lost electrons is called an _

Which of the following statements correctly describes a transformer?