AP EAMCET · PHYSICS · Electrostatics
What is the direction of the lines of force at any point on the equipotential surface?
- A Parallel to it
- B Normal to it
- C Be inclined
- D Random direction
Answer & Solution
Correct Answer
(B) Normal to it
Step-by-step Solution
Detailed explanation
According to the concept of equipotential surface, the electric field lines are always perpendicular (normal) to the surface.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from PHYSICS
- The equation of a stationary wave is \(y=20 \sin (\pi x)\) \(\cos (\omega t)\), where \(x, y\) are in metre and \(t\) is in second. The distance between a node and its adjacent antinode isAP EAMCET 2023 Easy
- In a region, the intensity of an electric field is given by \(\overrightarrow{\mathrm{E}}=(2 \hat{\mathrm{i}}+3 \hat{\mathrm{j}}+\hat{\mathrm{k}}) \mathrm{NC}^{-1}\). The electric flux through a surface of area \(10 \hat{\mathrm{i}} \mathrm{m}^2\) in the region isAP EAMCET 2023 Easy
- A ray of light is incident on the surface of a glass plate of refractive index \(\sqrt{3}\) at the polarising angle. The angle of refraction of the ray isAP EAMCET 2019 Easy
- Among the following, the physical quantity having the dimensions of Young's modulus isAP EAMCET 2025 Easy
- Three rods each of length \(l\) and cross sectional area \(A\) joined in series between two heat reservoirs as shown in the figure. Their conductivities are \(2 K, K\) and \(\frac{K}{2}\), respectively. Assuming that the conductors are insulated from surroundings, the temperatures \(T_1\) and \(T_2\) of the junctions in steady state condition are respectively.
AP EAMCET 2019 Hard - A charged particle when enters a uniform magnetic field moves in a helical path. If its angular velócity is \(4 \pi \times 10^6\) rads \(^{-1}\) and its velocity in the direction of magnetic field is \(3 \times 10^5 \mathrm{~ms}^{-1}\) then the pitch of the helix isAP EAMCET 2023 Easy
More PYQs from AP EAMCET
- Match Column A (layers in the ionosphere for skywave propagation) with Column B (their height range)

\(\begin{array}{llll}\mathrm{A} & \mathrm{B} & \mathrm{C} & \mathrm{D}\end{array}\)AP EAMCET 2012 Easy - If \(\mathrm{a} < 1\) and \(2 \operatorname{Sinh}^{-1}\left(\frac{a}{\sqrt{1-a^2}}\right)=\log \left(\frac{1+x}{1-x}\right)\), then \(x=\)AP EAMCET 2017 Hard
- An envelope is known to have come from either 'LONDON' or 'CLIFTON'. On the postal mark only two successive letters ON are legible. The probability that the envelope comes from LONDON isAP EAMCET 2019 Medium
- If standard enthalpy of formation \(\left(\Delta_{\mathrm{f}} \mathrm{H}^{\circ}\right)\) of \(\mathrm{CO}_2, \mathrm{H}_2 \mathrm{O}\) and \(\mathrm{CH}_4\) are \(-393,-286\) and \(-74.0 \mathrm{~kJ} \mathrm{~mol}^{-1}\) respectively, the standard enthalpy of combustion of methane in \(\mathrm{kJ} \mathrm{mol}^{-1}\) isAP EAMCET 2017 Medium
- The hybridisation of elements present in fullerene and graphite are respectively.AP EAMCET 2022 Easy
- The flux used in the preparation of wrought iron from cast iron in reverberatory furnace isAP EAMCET 2024 Easy