MCQ
Time period in vibration magnetometer will be infinity at
- AMagnetic equator
- ✓Magnetic poles
- CEquator
- DAt all places
✓
Answer
Correct option: B.
Magnetic poles
b
(b)Time period in vibration magnetometer
$T = 2\pi \sqrt {\frac{I}{{M{B_H}}}} $, At poles ${B_H} = 0\;so\;T = \infty $
(b)Time period in vibration magnetometer
$T = 2\pi \sqrt {\frac{I}{{M{B_H}}}} $, At poles ${B_H} = 0\;so\;T = \infty $
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
$\hat{n}_1$ is the unit vector along incident ray, $\hat{n}_2$ along normal and $\hat{n}_3$ is the unit vector along reflected ray, then which of the following must be true?
→Identify the correct statement from the following.
A movie projector forms an image $3.5m$ long of an object $35 \ mm.$ Supposing there is negligible absorption of light by aperture then illuminance on slide and screen will be in the ratio of
→Pick the wrong answer in the context with rainbow
The approximate ratio of resistances in the forward and reverse bias of the PN-junction diode is
Electrostatic potential energy of given system will be
An object is moving towards a converging lens on its axis. The image is also found to be moving towards the lens. Then, the object distance $‘u’$ must satify
→Choose the correct statement about the properties of magnetic lines of forces.
Dielectric constant for metal is
How many spectral lines does hydrogen have?