NEET Physics: Electrostatic Potential and Capacitance — MCQ Test 15

Q6. A spherical conductor of radius 15 cm has a charge of \( 9 \times 10^{-8} \, \text{C} \). What is the electric field at 20 cm from the center? (Take \( \frac{1}{4 \pi \varepsilon_0} = 9 \times 10^9 \, \text{Nm}^2 \text{C}^{-2} \)).

Q7. A parallel plate capacitor with capacitance \( 80 \, \text{pF} \) has a dielectric (\( K = 5 \), thickness \( d/5 \)) inserted. What is the new capacitance? (Original separation \( d \)).

Q8. A dipole with \( p = 8 \times 10^{-9} \, \text{C m} \) makes an angle of \( 60^\circ \) with a uniform field \( E = 1 \times 10^5 \, \text{N/C} \). What is its potential energy?

Q9. A charge of \( 10 \, \mu\text{C} \) is moved from infinity to a point where the potential is \( 30 \, \text{V} \). What is the work done?

Q10. Four capacitors of \( 15 \, \mu\text{F} \) each are in series. What is the equivalent capacitance?

NEET Physics — Electrostatic Potential and Capacitance

Free MCQ Test 15 of 25

15:00

Sign in to save your score and view detailed explanations

Sign In Free
1Question 1 of 10
Medium

Why can't the electric field inside a conductor in electrostatic equilibrium have a tangential component along its surface?

More Sets — Electrostatic Potential and Capacitance

MCQ Test 110 MCQsMCQ Test 210 MCQsMCQ Test 310 MCQsMCQ Test 410 MCQsMCQ Test 510 MCQsMCQ Test 610 MCQsMCQ Test 710 MCQsMCQ Test 810 MCQsMCQ Test 910 MCQsMCQ Test 1010 MCQsMCQ Test 1110 MCQsMCQ Test 1210 MCQsMCQ Test 1310 MCQsMCQ Test 1410 MCQsMCQ Test 1510 MCQsMCQ Test 1610 MCQsMCQ Test 1710 MCQsMCQ Test 1810 MCQsMCQ Test 1910 MCQsMCQ Test 2010 MCQsMCQ Test 2110 MCQsMCQ Test 2210 MCQsMCQ Test 2310 MCQsMCQ Test 2410 MCQsMCQ Test 2510 MCQs

Accelerate Your NEET Preparation

Access our comprehensive suite of tools designed to help you master Physics and ace your medical entrance exam.

Question Bank

50,000+ detailed solved MCQs covering every concept.

Practice Tests

Chapter-wise timed mock tests to build speed and accuracy.

NEET PYQs

Previous Year Questions spanning the last 15 years.

AI Analytics

Deep insights into your weak areas and test performance.

Previous Chapter

Electronic Devices

Next Chapter

Electrostatics

Explore individual Physics questions →

5,000+ questions with detailed solved answers in our Question Bank

About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Electrostatic Potential and Capacitance. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

0
Easy
10
Medium
0
Hard

Key concepts covered in this specific test include Electric, Conductor, Electrostatic, Equilibrium, Tangential, and Component.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Why can't the electric field inside a conductor in electrostatic equilibrium have a tangential component along its surface?

  • A. It would cause charges to move along the surface, violating equilibrium
  • B. It would create a potential difference inside the conductor
  • C. It would lead to infinite energy storage
  • D. It would make the field inside non-zero

Q2. A point charge \( Q = 12 \times 10^{-9} \, \text{C} \) is placed at the origin. Calculate the potential at a point 6 m away from the charge. (Take \( \frac{1}{4 \pi \varepsilon_0} = 9 \times 10^9 \, \text{Nm}^2 \text{C}^{-2} \)).

  • A. 18 V
  • B. 15 V
  • C. 20 V
  • D. 22 V

Q3. A capacitor with \( C = 10 \, \text{pF} \) in air has a dielectric (\( K = 4 \), thickness \( d/2 \)) inserted. What is the new capacitance if \( d \) is the original separation? (Take \( \varepsilon_0 A/d = 10 \, \text{pF} \)).

  • A. 14 pF
  • B. 16 pF
  • C. 18 pF
  • D. 20 pF

Q4. A \( 10 \, \mu\text{F} \) capacitor charged to \( 40 \, \text{V} \) is connected to an uncharged \( 10 \, \mu\text{F} \) capacitor. What is the final potential difference?

  • A. 15 V
  • B. 25 V
  • C. 20 V
  • D. 30 V

Q5. A conductor has a surface charge density of \( 4 \times 10^{-6} \, \text{C/m}^2 \). What is the electric field just outside it? (Take \( \varepsilon_0 = 8.85 \times 10^{-12} \, \text{C}^2 \text{N}^{-1} \text{m}^{-2} \)).

  • A. 4 × 10⁵ N/C
  • B. 4.52 × 10⁵ N/C
  • C. 5 × 10⁵ N/C
  • D. 6 × 10⁵ N/C

+ 5 more questions in the actual test

Frequently Asked Questions

Is this practice set completely free?

Yes, all our chapter-wise practice sets are 100% free. You can practice as many times as you want without any hidden charges.

Are these questions relevant for the latest NEET syllabus?

Absolutely. Our content team regularly updates the question bank to strictly align with the latest NTA NEET syllabus and NCERT textbooks.

Can I view the solutions after the test?

Yes, once you submit the test, you will get an instant scorecard along with the correct answers and detailed explanations for every question.

About TopperSquare

TopperSquare is India's most advanced, student-centric learning platform designed specifically for medical and engineering aspirants. Our mission is to democratize high-quality education by providing premium practice materials, deep performance analytics, and structured test series.

Whether you are starting your preparation or giving final touches before the exam day, TopperSquare equips you with the right tools—from chapter-wise tests to full-length mock exams—to help you achieve your dream rank.

More Physics Chapters for NEET

• Alternating Currents• Atoms And Nuclei• Behaviour Of Perfect Gas And Kinetic Theory• Current Electricity• Dual Nature Of Matter• Electric Charges And Fields• Electromagnetic Induction• Electromagnetic Waves• Electronic Devices• Electrostatic Potential And Capacitance• Electrostatics• Gravitation• Kinematics• Laws Of Motion• Magnetic Effects Of Current And Magnetism• Magnetism And Matter• Mechanical Properties Of Fluids• Mechanical Properties Of Solids• Motion In A Plane• Oscillations• Properties Of Bulk Matter• Ray Optics• System Of Particles And Rotational Motion• Thermal Properties Of Matter• Thermodynamics• Units And Measurements• Wave Optics• Waves• Work Energy And Power

Explore More NEET Subjects

Looking to strengthen other areas of your preparation? Check out our free chapter-wise question banks for all NEET subjects:

NEET biologyNEET chemistryNEET physicsAll NEET Questions

Why 32,000+ students choose TopperSquare

Everything you need to crack NEET

15,000+ Chapter MCQs

Physics, Chemistry, Biology — chapter-wise, topic-wise practice

AI Performance Analytics

Know your weak topics. Get a personalised study plan.

Full NEET Mock Tests

180 questions, timed, with detailed score analysis

PYQ Sets 2010–2024

15 years of past papers with solved explanations

Start Practising Free

No credit card · 30-second signup · Free forever plan included