Suppose that two identical stars (having the same total light output) are located such that star A is at a distance of 5 light years and star B is at a distance of 25 light years. How will star B appear, compared to star A

What is special about a dc circuit ?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples

Area around a charged object where the objects can exert a force on another charged objects is an electric