In the arrangement shown, a conducting bar of negligible resistance slides along horizontal, parallel, frictionless conducting rails connected as shown to a 10-Ω resistor.  A uniform 3.3-T magnetic field is perpendicular, into the plane of the page.  If L = 50 cm, what is the magnitude and direction of the current generated in the loop at the instant the bar is moving to the left at 7.3 m/s?  In your work, and in your own words, explain why the current flows in the direction you selected.

  The bar magnet is above the conducting loop, but falling toward it.  The resistor R is located on the side of the loop closest to you.  As the magnet approaches the loop, choose the correct statement below.  Then explain, in your own words, why the current flows in the direction you selected. Do not use the phrases “Lenz’s law” or “Faraday’s law.”

Good science cannot introduce a concept unless someone has observed it.

“There is life outside of the Milky Way galaxy” is, in principle, a testable hypothesis.

Which of the following are we entitled to conclude from the fact that some peer-reviewed scientific articles have reached false conclusions?

Science has given us good reason to believe in psi phenomena.

Which of the following is NOT a form of extra-sensory perception (ESP)?

Science is a method and not a particular body of truths.

Match the blood component with it’s function.

True or False: Elderly adults cannot receive vaccinations because their thymus has stopped functioning, which means they are no longer able to make the T helper 1 cells needed to help B cells produce antibodies after the vaccination.