MCQ
Unit of self inductance is
- A$\frac{{Newton - second}}{{Coulomb \times Ampere}}$
- ✓$\frac{{Joule/Coulomb \times Second}}{{Ampere}}$
- C$\frac{{Volt \times metre}}{{Coulomb}}$
- D$\frac{{Newton \times metre}}{{Ampere}}$
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[Take latent heat of fusion for ice as $\frac{{10}}{3} ×10^5 J.kg^{-1} $]
where $A$ and $p$ are constant.
The period of small oscillations of the particle is
[Given: $\pi=22 / 7, g=10 ms ^{-2}$, density of water $=1 \times 10^3 kg m ^{-3}$, viscosity of water $=1 \times 10^{-3} Pa$-s.]
$(A)$ The work done in pushing the ball to the depth $d$ is $0.077 J$.
$(B)$ If we neglect the viscous force in water, then the speed $v=7 m / s$.
$(C)$ If we neglect the viscous force in water, then the height $H=1.4 m$.
$(D)$ The ratio of the magnitudes of the net force excluding the viscous force to the maximum viscous force in water is $500 / 9$.
