Question
Gauss’s law is true for.
✓
Answer
- Any closed surface.
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
Four condensers are joined as shown in the adjoining figure. The capacity of each is $8 \mu F$. The equivalent capacity between the points $A$ and $B$ will be
→Assertion : Moon is seen as it partly reflects the sun light falling on it
Reason : Moon is a satellite of earth. It does not emit light of its own(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
Reason : Moon is a satellite of earth. It does not emit light of its own(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
The potential at a point, due to a positive charge of $100 \ \mu C$ at a distance of $9 m ,$ is
→Three equal capacitors, each with capacitance $C$ are connected as shown in figure. Then the equivalent capacitance between $A$ and $B$ is
→Compton effect is associated with (a) α - rays(b) β - rays(c) X-rays(d) Positive rays
A thin lens focal length $f_1$ and its aperture has diameter $d.$ It forms an image of intensity $I.$ Now the central part of the aperture upto diameter $\frac{d}{2}$ is blocked by an opaque paper. The focal length and image intensity will change to
→The angular frequency of an AC source is $\frac{10\text{radian}}{\text{sec}}$ The reactance of $1\mu\text{F}$ capacitor will be.
→The resistance of a wire is $R$. If the length of the wire is doubled by stretching, then the new resistance will be
→Field at the centre of a circular coil of radius $r,$ through which a current $I$ flows is
→While walking on ice, one should take small steps to avoid slipping. This is because smaller steps ensure:
- Larger friction.
- Smaller friction.
- Larger normal force.
- Smaller normal force.