A loop of area 0.250 m2 is in a uniform 0.0200-T magnetic field. If the flux through the loop is 3.21 × 10^–3 T•m2, what angle does the normal to the plane of the loop make with the direction of the magnetic field?
a. 40.0°
c. 50.0°
b. 37.5°
d. This is not possible.
C
You might also like to view...
Which property does color best represent?
a. velocity b. thermal energy c. temperature d. heat
Which of the following is TRUE?
a) It is possible for galaxies that are very distant to actually move through space ata speed several times the speed of light. b) A redshift occurs when a photon loses energy and slows down as itmoves through space. c) We see distant galaxies as they were billions or even tens of billions ofyears ago. d) We measure a redshift for roughly half of the galaxies that we observe, and for theothers we measure a blueshift. e) The center of the universe is located at a point about 200 Mpc from us in the centerof a cluster of galaxies.
A bar magnet is falling through a loop of wire with constant velocity. The north pole enters first. As the south pole leaves the loop of wire, the induced current (as viewed from above) will be
a. clockwise. b. counterclockwise. c. zero. d. along the length of the magnet.
What is the moderator of a nuclear reactor?
a. The control rods that halt a chain reaction if it is out of control. b. A substance that absorbs neutrons to keep the reaction in control. c. The material that slows down the neutrons to induce more chain reactions. d. The material that speeds up the neutrons to induce more chain reactions. e. The name for the fissionable material itself (usually uranium).