MCQ
Time period in vibration magnetometer will be infinity at
- AMagnetic equator
- ✓Magnetic poles
- CEquator
- DAt all places
✓
Answer
Correct option: B.
Magnetic poles
Time period in vibration magnetometer$T=2 \pi \sqrt{\frac{I}{M B_H}}, \text { At poles } B_H=0 \text { so } T=\infty$
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