Questions
A magnetic needle is made to vibrate in uniform field H, then its time period is T. If it vibrates in the field of intensity 4H, its time period will be
detailed solution
Correct option is B
T=2πIMBH⇒T1T2=4HH⇒T2=T2Talk to our academic expert!
Similar Questions
The time period of a freely suspended magnet is 4 seconds. If it is broken in length into two equal parts and one part is suspended in the same way, then its time period will be
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