the energy stored in the capacitor
A. quadruples.
B. doubles.
C. remains the same.
D. is reduced by a factor of two.
E. is reduced by a factor of four.
F. some other result (specify).
B. doubles.
You might also like to view...
Consider a vibrating string that makes a sound wave that moves through the air. As the guitar string moves up and down, the air molecules that are a certain horizontal distance from the string will move
a. up and down. b. toward and away from the guitar string. c. back and forth along the direction of the length of the string. d. in circles around the guitar string.
Compound Microscope: A simple compound microscope normally uses
A. a short focal length objective and a shorter focal length eyepiece. B. a short focal length objective and a longer focal length eyepiece. C. a long focal length objective and a shorter focal length eyepiece. D. a very long focal length objective and a longer focal length eyepiece.
A mass is accelerated when ______________ acts upon the mass
a. a balanced force b. any force c. no force d. an unbalanced force e. none of these
A circular coil of copper wire is lying flat on a horizontal table. A bar magnet is held above the center of the coil with its south pole downward. The magnet and the coil are now both raised upward with the same velocities
As viewed from above, what is the direction of the current induced in the coil as the magnet approaches the coil? A) counterclockwise B) clockwise C) No current is induced in the coil. D) An emf but no current is induced in the coil.