MCQ
For any charge configuration, equipotential surface through a point is $......$ to electric field at that point.
- APerpendicular.
- BNormal.
- CParallel.
- ✓Both $a$ and $b$.
✓
Answer
Correct option: D.
Both $a$ and $b$.
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
A nucleus of mass number $189$ splits into two nuclei having mass number $125$ and $64$ . The ratio of radius of two daughter nuclei respectively is:
→A plane electromagnetic wave of wave intensity $6\, W/ m^2$ strikes a small mirror area $40 cm^2$, held perpendicular to the approaching wave. The momentum transferred by the wave to the mirror each second will be
→A short-circuited coil is placed in a time-varying magnetic field. Electrical power is dissipated due to the current induced in the coil. If the number of turns were to be quadrupled and the wire radius halved, the electrical power dissipated would be
A double convex thin lens made of glass (refractive index μ = 1.5) has both radii of curvature of magnitude 20 cm. Incident light rays parallel to the axis of the lens will converge at a distance L such that
A man is $180\,cm$ tall and his eyes are $10\,cm$ below the top of his head. In order to see his entire height right from toe to head, he uses a plane mirror kept at a distance of $1m$ from him. The minimum length of the plane mirror required is.....$cm$
→A logic gate circuit has two inputs $A$ and $B$ and output $Y$. The voltage waveforms of $A, B$ and $Y$ are shown below The logic gate circuit is.
→It is easier to start a car engine on a hot day than on a cold day. This is because the internal resistance of the car battery
The material of fuse wire should have
The half-life of a radioactive nucleus is $5$ years, The fraction of the original sample that would decay in $15$ years is
→Choose the correct statement