AP EAMCET · PHYSICS · Electrostatics
A regular hexagon of side \(5 \mathrm{~cm}\) has a charge \(10 \mu \mathrm{C}\) at each of its vertices. The potential at the centre of hexagon is
- A \(0 \mathrm{~V}\)
- B \(18 \times 10^5 \mathrm{~V}\)
- C \(1.08 \times 10^7 \mathrm{~V}\)
- D \(1.08 \times 10^5 \mathrm{~V}\)
Answer & Solution
Correct Answer
(C) \(1.08 \times 10^7 \mathrm{~V}\)
Step-by-step Solution
Detailed explanation
Given, length of sides of hexagon, \(r=5 \mathrm{~cm}=5 \times 10^{-2} \mathrm{~m}\) charge on each vertices of hexagon, \(q=10 \mu \mathrm{C}\) \(=10 \times 10^{-6} \mathrm{C}\) Now, according to the question, Due to one charge, potential on hexagon's centre \(P\) is given as,…
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 current carrying coil experiences a torque due to a magnetic field. The value of the torque is \(80 \%\) of the maximum possible torque. The angle between the magnetic field and the normal to the plane of the coil isAP EAMCET 2024 Easy
- The displacement \((x)\) and time \((t)\) graph of a particle moving along a straight line is shown in the figure. The average velocity of the particle in the time of 10 s is
AP EAMCET 2025 Medium - The coefficient of viscosity of an ideal fluid isAP EAMCET 2020 Easy
- In a given process, for an ideal gas, \(\Delta W=0\) and \(\Delta Q < 0\). Then, for the gas,AP EAMCET 2021 Easy
- A fully charged capacitor has a capacitance \(C\). It is discharged through a small coil of resistance wire, embedded in a block of specific heat \(s\) and mass \(m\) under thermally isolated conditions. If the temperature of the block is raised by \(\Delta T\), the potential difference \(V\) across the capacitor initially isAP EAMCET 2011 Medium
- An infinitely long rod lies along the axis of a concave mirror of focal length \(f\). The nearer end of the rod is at a distance \(u,(u>f)\) from the mirror. Its image will have a lengthAP EAMCET 2016 Easy
More PYQs from AP EAMCET
- Two identical vessels \(A\) and \(B\) with frictionless pistons contain the same ideal gas at the same temperature and the same volume \(V\). The masses of gas in \(A\) and \(B\) and \(m_A\) and \(m_B\), respectively. The gases are allowed to expand isothermally to the same final volume \(2 V\). The change in pressures of the gas in \(A\) and \(B\) are found to be \(\Delta P\) and \(1.5 \Delta P\), respectively. ThenAP EAMCET 2004 Hard
- Which statement(s) among the following are incorrect:
(i) A negative test charge experiences a force opposite to the direction of the field.
(ii) The tangent drawn to a line of force represents the direction of electric field.
(iii) The electric field lines never intersect.
(iv) The electric field lines form a closed loop.AP EAMCET 2021 Easy - The energy stored in a coil of inductance \(L\) carrying a steady current \(i\) is in the formAP EAMCET 2020 Easy
- If all the digits in the number 53426 are permuted in all possible ways and are arranged in decreasing order, then the number having rank 89 , isAP EAMCET 2018 Medium
- Which of the following is not explained by hyperconjugation?AP EAMCET 2021 Easy
- This equation represents the preparation of gold sol by \(2 \mathrm{AuCl}_3+3 \mathrm{HCHO}+3 \mathrm{H}_2 \mathrm{O} \rightarrow 2 \mathrm{Au}+3 \mathrm{HCOOH}+6 \mathrm{HCl}\).AP EAMCET 2023 Easy