NEET Physics: Electrostatic Potential and Capacitance — Free Practice Set 23 (10 MCQs)

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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 Parallel, Capacitor, Dielectric, Capacitance, Varepsilon, and Spherical.

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. A parallel plate capacitor with \( A = 0.01 \, \text{m}^2 \), \( d = 1 \, \text{mm} \) has a dielectric (\( K = 5 \)). What is its capacitance? (Take \( \varepsilon_0 = 8.85 \times 10^{-12} \, \text{C}^2 \text{N}^{-1} \text{m}^{-2} \)).

A. 400 pF
B. 442.5 pF
C. 450 pF
D. 500 pF

Q2. A dipole \( p = 8 \times 10^{-10} \, \text{C m} \) is rotated from \( \theta = 0^\circ \) to \( 90^\circ \) in a field \( E = 10^6 \, \text{N/C} \). What is the work done?

A. 6 × 10⁻⁴ J
B. 7 × 10⁻⁴ J
C. 9 × 10⁻⁴ J
D. 8 × 10⁻⁴ J

Q3. A spherical conductor of radius 5 cm has a charge of \( 5 \times 10^{-8} \, \text{C} \). What is the potential at its surface? (Take \( \frac{1}{4 \pi \varepsilon_0} = 9 \times 10^9 \, \text{Nm}^2 \text{C}^{-2} \)).

A. 9000 V
B. 8000 V
C. 10000 V
D. 12000 V

Q4. A \( 6 \, \mu\text{F} \) capacitor charged to \( 150 \, \text{V} \) is connected to an uncharged \( 9 \, \mu\text{F} \) capacitor. What is the energy lost?

A. 0.03 J
B. 0.035 J
C. 0.045 J
D. 0.0405 J

Q5. A dipole with \( p = 5 \times 10^{-9} \, \text{C m} \) makes an angle of \( 30^\circ \) with a uniform field \( E = 3 \times 10^4 \, \text{N/C} \). What is its potential energy?

A. -1.5 × 10⁻⁴ J
B. -1.3 × 10⁻⁴ J
C. -1 × 10⁻⁴ J
D. -2 × 10⁻⁴ J

+ 5 more questions in the actual test

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NEET Physics — Electrostatic Potential and Capacitance

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Preview of Questions in this Test

Q1. A parallel plate capacitor with \( A = 0.01 \, \text{m}^2 \), \( d = 1 \, \text{mm} \) has a dielectric (\( K = 5 \)). What is its capacitance? (Take \( \varepsilon_0 = 8.85 \times 10^{-12} \, \text{C}^2 \text{N}^{-1} \text{m}^{-2} \)).

Q2. A dipole \( p = 8 \times 10^{-10} \, \text{C m} \) is rotated from \( \theta = 0^\circ \) to \( 90^\circ \) in a field \( E = 10^6 \, \text{N/C} \). What is the work done?

Q3. A spherical conductor of radius 5 cm has a charge of \( 5 \times 10^{-8} \, \text{C} \). What is the potential at its surface? (Take \( \frac{1}{4 \pi \varepsilon_0} = 9 \times 10^9 \, \text{Nm}^2 \text{C}^{-2} \)).

Q4. A \( 6 \, \mu\text{F} \) capacitor charged to \( 150 \, \text{V} \) is connected to an uncharged \( 9 \, \mu\text{F} \) capacitor. What is the energy lost?

Q5. A dipole with \( p = 5 \times 10^{-9} \, \text{C m} \) makes an angle of \( 30^\circ \) with a uniform field \( E = 3 \times 10^4 \, \text{N/C} \). What is its potential energy?

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NEET Physics: Electrostatic Potential and Capacitance — MCQ Test 23

Q6. Why does the potential due to an electric dipole fall off as \( 1/r^2 \) at large distances, unlike the potential of a point charge which falls off as \( 1/r \)?

Q7. A \( 9 \, \mu\text{F} \) capacitor is charged to \( 600 \, \text{V} \). What is the energy stored in it?

Q8. Four capacitors of \( 5 \, \mu\text{F} \) each are in series. What is the equivalent capacitance?

Q9. When a dielectric slab fills only half the space between the plates of a parallel plate capacitor (connected to a battery), why does the electric field differ in the dielectric and air regions?

Q10. An electric dipole with moment \( p = 10^{-9} \, \text{C m} \) lies along the y-axis. What is the potential at \( (0, 3, 0) \, \text{m} \)? (Take \( \frac{1}{4 \pi \varepsilon_0} = 9 \times 10^9 \, \text{Nm}^2 \text{C}^{-2} \)).

NEET Physics — Electrostatic Potential and Capacitance

Accelerate Your NEET Preparation

Question Bank

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NEET PYQs

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About this NEET MCQ Test

Preview of Questions in this Test

Q1. A parallel plate capacitor with \( A = 0.01 \, \text{m}^2 \), \( d = 1 \, \text{mm} \) has a dielectric (\( K = 5 \)). What is its capacitance? (Take \( \varepsilon_0 = 8.85 \times 10^{-12} \, \text{C}^2 \text{N}^{-1} \text{m}^{-2} \)).

Q2. A dipole \( p = 8 \times 10^{-10} \, \text{C m} \) is rotated from \( \theta = 0^\circ \) to \( 90^\circ \) in a field \( E = 10^6 \, \text{N/C} \). What is the work done?

Q3. A spherical conductor of radius 5 cm has a charge of \( 5 \times 10^{-8} \, \text{C} \). What is the potential at its surface? (Take \( \frac{1}{4 \pi \varepsilon_0} = 9 \times 10^9 \, \text{Nm}^2 \text{C}^{-2} \)).

Q4. A \( 6 \, \mu\text{F} \) capacitor charged to \( 150 \, \text{V} \) is connected to an uncharged \( 9 \, \mu\text{F} \) capacitor. What is the energy lost?

Q5. A dipole with \( p = 5 \times 10^{-9} \, \text{C m} \) makes an angle of \( 30^\circ \) with a uniform field \( E = 3 \times 10^4 \, \text{N/C} \). What is its potential energy?

Frequently Asked Questions

Is this practice set completely free?

Are these questions relevant for the latest NEET syllabus?

Can I view the solutions after the test?

About TopperSquare

More Physics Chapters for NEET

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Everything you need to crack NEET