AP EAMCET · PHYSICS · Electrostatics
Four point-charges are placed at the vertices of a square of side \(2.8 \mathrm{~m}\) as shown in the figure. Find the electric potential at the centre of the square.
- A \(190.89 \mathrm{~V}\)
- B \(495 \mathrm{~V}\)
- C \(405 \mathrm{~V}\)
- D \(378 \mathrm{~V}\)
Answer & Solution
Correct Answer
(A) \(190.89 \mathrm{~V}\)
Step-by-step Solution
Detailed explanation
Given that, the point charges are placed on vertices of a square as shown in figure. Let \(r\) be the distance of \(O\) from the each corner. In…
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
- A vessel has 6 g of oxygen at pressure p and temperature 400 K. A small hole is made in it so that oxygen leaks out.How much oxygen
has leaked out if the final pressure is \(\frac{p}{2}\) and final temperature is 300 K?AP EAMCET 2021 Medium - If the average kinetic energy of a gas molecule at \(27^{\circ} \mathrm{C}\) is \(3.3 \times 10^{-20} \mathrm{~J}\), then the average kinetic energy of the gas molecules at \(127^{\circ} \mathrm{C}\) isAP EAMCET 2023 Medium
- If a force of \(\left(6 x^2-4 x\right) \mathrm{N}\) acts on a body of mass 10 kg, then work to be done by the force in displacing the body from \(x=2 m\) to \(x=4 m\) isAP EAMCET 2025 Medium
- In the circuit, \(E_1=E_2=E_3=2 V\) and \(R_1\) and \(\mathrm{R}_2=4 \mathrm{~W}\). Then the current flowing through \(\mathrm{E}_2\) is
AP EAMCET 2023 Medium - Two wires of equal length and equal cross sectional areas are suspended as shown in the figure. Their Young's modulii are \(Y_1\) and \(Y_2\), respectively. The equivalent Young's modulus is
AP EAMCET 2019 Medium - A boy weighing 50 kg finished long jump at a distance of 8 m . Considering that he moved along a parabolic path and his angle of jump is \(45^{\circ}\), his initial \(K E\) isAP EAMCET 2024 Medium
More PYQs from AP EAMCET
- If \(\mathbf{P Q}+\mathbf{Q R}=\left(2 \lambda^2-5\right) \mathbf{R P}\) then, \(\lambda\) is equal toAP EAMCET 2021 Medium
- The distance of the point \(\mathrm{O}(\vec{O})\) from the plane \(\vec{r} \cdot(\hat{i}+\hat{j}+\hat{k})=5\) measured parallel to \(2 \hat{i}+3 \hat{j}-6 \hat{k}\) isAP EAMCET 2024 Medium
- A variable line passing through a fixed point \((\alpha, \beta)\) intersects the coordinate axes at \(A\) and \(B\). If \(O\) is the origin, then the locus of the centroid of the \(\triangle O A B\) isAP EAMCET 2018 Medium
- \(\mathbf{a}, \mathbf{b}\) are non-collinear vectors, \(|\mathbf{a}|=2 \sqrt{2},|\mathbf{b}|=3\) and the angle between \(\mathbf{a}\) and \(\mathbf{b}\) is \(45^{\circ}\). Then, the lengths of the diagonals of the parallelogram whose adjacent sides are represented by the vectors \(5 \mathbf{a}+2 \mathbf{b}\) and \(\mathbf{a}-3 \mathbf{b}\) areAP EAMCET 2022 Easy
- A conducting wire bent in the form of a parabola \(\mathrm{y}^2=2 \mathrm{x}\) carries a current of \(4 \mathrm{~A}\) as shown in figure. This wire is placed in a uniform magnetic field of induction \(\bar{B}=+6 \hat{k} T\). The magnetic force on the wire is
AP EAMCET 2017 Easy - Suppose a circle passes through \((2,2)\) and \((9,9)\) and touches the \(X\)-axis at \(P\). If \(O\) is the origin, then \(O P\) is equal toAP EAMCET 2021 Medium