Q56
The initial increase of magnetic field in magnetic storms is caused
A.
when the shock wave, associated with the gusty solar wind, compresses the magnetosphere
AnswerB.
when there is a large decrease in field intensity
C.
when the gust wind itself engulfs the magnetosphere
D.
None of the above
Answer: Option A
Solution
Answer: Option A
Solution:
A geomagnetic storm (commonly referred to as a solar storm) is a temporary disturbance of the Earth's magnetosphere caused by a solar wind shock wave and/or cloud of magnetic field that interacts with the Earth's magnetic field.