In the Magnetic Field experiment, the angle between the resultant field at the center of the and the Earth's magnetic field is measured. This angle will increases if: O a. the current in the coil decreases. Ob. the current in the coil increases. O c. the current is kept the same but we use a coil with a larger radius. O d. the current is fixed but we use a coil with a smaller number of turns. O e. Cannot be determined.

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.