NEET Physics: Electric Charges and Fields — MCQ Test 15

Q6. What property of the electric field allows it to exert a force on a charge without physical contact?

Q7. A thin spherical shell of radius 28 cm has \( q = 8 \, \mu\text{C} \). What is the electric field at 20 cm from the center?

Q8. In an experiment, a charged object is brought near a neutral conductor, causing charge separation. What phenomenon is responsible for this effect?

Q9. An infinite line charge has \( \lambda = 7 \times 10^{-7} \, \text{C/m} \). What is the electric field at 25 cm?

Q10. Two point charges \( 6 \times 10^{-7} \, \text{C} \) and \( 10 \times 10^{-7} \, \text{C} \) are 120 cm apart in vacuum. What is the magnitude of the force between them?

NEET Physics — Electric Charges and Fields

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Two point charges \( 7 \times 10^{-7} \, \text{C} \) and \( -2 \times 10^{-7} \, \text{C} \) are 70 cm apart in vacuum. What is the magnitude of the force between them?

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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 Electric Charges and Fields. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Magnitude, Rectangle, Infinite, Electric, Increase, and Strength.

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. Two point charges \( 7 \times 10^{-7} \, \text{C} \) and \( -2 \times 10^{-7} \, \text{C} \) are 70 cm apart in vacuum. What is the magnitude of the force between them?

  • A. 0.00257 N
  • B. 0.0028 N
  • C. 0.0030 N
  • D. 0.0032 N

Q2. A uniform field \( E = 9 \times 10^3 \, \text{N/C} \) is along the x-axis. What is the flux through a rectangle of 35 cm × 45 cm in the yz-plane?

  • A. 1400 \( \text{Nm}^2/\text{C} \)
  • B. 1410 \( \text{Nm}^2/\text{C} \)
  • C. 1417.5 \( \text{Nm}^2/\text{C} \)
  • D. 1420 \( \text{Nm}^2/\text{C} \)

Q3. An infinite line charge has \( \lambda = 9 \times 10^{-7} \, \text{C/m} \). What is the electric field at 30 cm?

  • A. \( 5.0 \times 10^4 \, \text{N/C} \)
  • B. \( 5.4 \times 10^4 \, \text{N/C} \)
  • C. \( 5.6 \times 10^4 \, \text{N/C} \)
  • D. \( 6.0 \times 10^4 \, \text{N/C} \)

Q4. Why does the electric field near a charged surface exhibit a sharp increase in strength compared to regions further away?

  • A. Charge quantization
  • B. Field symmetry
  • C. Charge mobility
  • D. Inverse-square law

Q5. A thin spherical shell of radius 10 cm has \( q = 8 \, \mu\text{C} \). What is the electric field at 15 cm from the center?

  • A. \( 3.0 \times 10^6 \, \text{N/C} \)
  • B. \( 3.1 \times 10^6 \, \text{N/C} \)
  • C. \( 3.15 \times 10^6 \, \text{N/C} \)
  • D. \( 3.2 \times 10^6 \, \text{N/C} \)

+ 5 more questions in the actual test

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