Suppose I place a sheet of paper in a magnetic field. Which of the following quantities does not affect the magnetic flux passing through the paper? a. The orientation of the paper within the field
b. The cross-sectional area of the sheet of paper
c. The strength of the magnetic field
d. The circumference of the sheet of paper

Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement

Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear

Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron