Which of the following statements is true of the dynamo effect?
A) It is related to the degeneration of the Sun's magnetic field at the bottom of the convection zone deep under the photosphere.
B) It is believed to trap ionized gases in a magnetic arch that rises up through the photosphere and enters the lower corona.
C) It is believed to operate in the liquid metal of Earth's core to produce Earth's magnetic field.
D) It is related to the creation of a Doppler shift toward shorter wavelengths caused by a velocity of approach.
C
You might also like to view...
How can Jupiter have such a strong magnetic field?
What will be an ideal response?
In a ballistics test, a 28-g bullet pierces a sand bag that is thick
If the initial bullet velocity was and it emerged from the sandbag moving at what was the magnitude of the friction force (assuming it to be constant) that the bullet experienced while it traveled through the bag? A) 130 N B) 38 N C) 13 N D) 1.3 N
Mass on a Spring: An object is attached to a vertical spring and bobs up and down between points A and B. Where is the object located when its elastic potential energy is a maximum?
A. at either A or B B. midway between A and B C. one-third of the way between A and B D. one-fourth of the way between A and B E. at none of these points
Which is another term for a raster image?
A. pixelated B. zoomed C. bitmap D. compressed