TS EAMCET · Physics · Alternating Current
The length of a magnet is large compared to its width and breadth. The time period of its oscillation in a vibration magnetometer is . The magnet is cut into three equal parts of length each. If these parts are placed on each other with their like poles together, then the time period of this combination is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
Given: Time period of oscillation of magnet in a vibration magnetometer T=2 s Time period of oscillation of the magnet is given as,T=2πIMB ...1 Where I is the moment of inertia of magnet I=ml212 where l is the length of…
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