NEET Physics: Current Electricity — Free Practice Set 19 (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 Current Electricity. 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 Internal, Resistances, Connected, Equivalent, Identical, and Polarity.

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 cells of emf \( 3 \, \text{V} \) and \( 6 \, \text{V} \) with internal resistances \( 1 \, \Omega \) and \( 2 \, \Omega \) are connected in series. What is the equivalent emf?

A. \( 9.0 \, \text{V} \)
B. \( 9.5 \, \text{V} \)
C. \( 10.0 \, \text{V} \)
D. \( 11.0 \, \text{V} \)

Q2. In a circuit with two identical cells connected in series, if one cell’s polarity is reversed, what happens to the total emf?

A. It doubles
B. It becomes zero
C. It halves
D. It remains unchanged

Q3. A copper wire carries \( 3.4 \, \text{A} \) with a drift speed of \( 1.0 \times 10^{-4} \, \text{m/s} \). If \( n = 8.5 \times 10^{28} \, \text{m}^{-3} \) and \( e = 1.6 \times 10^{-19} \, \text{C} \), what is the cross-sectional area?

A. \( 2.2 \times 10^{-5} \, \text{m}^2 \)
B. \( 2.4 \times 10^{-5} \, \text{m}^2 \)
C. \( 2.45 \times 10^{-5} \, \text{m}^2 \)
D. \( 2.5 \times 10^{-5} \, \text{m}^2 \)

Q4. A \( 9 \, \text{V} \) battery with \( 1 \, \Omega \) internal resistance is connected to a \( 8 \, \Omega \) resistor. What is the power dissipated in the internal resistance?

A. \( 0.5 \, \text{W} \)
B. \( 0.8 \, \text{W} \)
C. \( 0.9 \, \text{W} \)
D. \( 1.0 \, \text{W} \)

Q5. Two cells in parallel have emf \( 8 \, \text{V} \) and \( 4 \, \text{V} \) with internal resistances \( 2 \, \Omega \) and \( 1 \, \Omega \). What is the equivalent internal resistance?

A. \( 0.5 \, \Omega \)
B. \( 0.67 \, \Omega \)
C. \( 0.75 \, \Omega \)
D. \( 1.0 \, \Omega \)

+ 5 more questions in the actual test

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

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NEET Physics — Current Electricity

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Preview of Questions in this Test

Q1. Two cells of emf \( 3 \, \text{V} \) and \( 6 \, \text{V} \) with internal resistances \( 1 \, \Omega \) and \( 2 \, \Omega \) are connected in series. What is the equivalent emf?

Q2. In a circuit with two identical cells connected in series, if one cell’s polarity is reversed, what happens to the total emf?

Q3. A copper wire carries \( 3.4 \, \text{A} \) with a drift speed of \( 1.0 \times 10^{-4} \, \text{m/s} \). If \( n = 8.5 \times 10^{28} \, \text{m}^{-3} \) and \( e = 1.6 \times 10^{-19} \, \text{C} \), what is the cross-sectional area?

Q4. A \( 9 \, \text{V} \) battery with \( 1 \, \Omega \) internal resistance is connected to a \( 8 \, \Omega \) resistor. What is the power dissipated in the internal resistance?

Q5. Two cells in parallel have emf \( 8 \, \text{V} \) and \( 4 \, \text{V} \) with internal resistances \( 2 \, \Omega \) and \( 1 \, \Omega \). What is the equivalent internal resistance?

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NEET Physics: Current Electricity — MCQ Test 19

Q6. In a conductor, if the electric field is suddenly doubled while keeping the conductor's properties unchanged, what happens to the drift velocity of electrons?

Q7. In a circuit with resistors in parallel, why does the total resistance decrease compared to the smallest individual resistance?

Q8. Why does the terminal voltage of a battery become equal to its emf when no current flows?

Q9. Two cells of emf \( 4 \, \text{V} \) and \( 6 \, \text{V} \) with internal resistances \( 1 \, \Omega \) and \( 2 \, \Omega \) respectively are connected in series. What is the equivalent emf and internal resistance of the combination?

Q10. Why does a conductor’s resistance remain finite even when its length approaches zero?

NEET Physics — Current Electricity

Accelerate Your NEET Preparation

Question Bank

Practice Tests

NEET PYQs

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About this NEET MCQ Test

Preview of Questions in this Test

Q1. Two cells of emf \( 3 \, \text{V} \) and \( 6 \, \text{V} \) with internal resistances \( 1 \, \Omega \) and \( 2 \, \Omega \) are connected in series. What is the equivalent emf?

Q2. In a circuit with two identical cells connected in series, if one cell’s polarity is reversed, what happens to the total emf?

Q3. A copper wire carries \( 3.4 \, \text{A} \) with a drift speed of \( 1.0 \times 10^{-4} \, \text{m/s} \). If \( n = 8.5 \times 10^{28} \, \text{m}^{-3} \) and \( e = 1.6 \times 10^{-19} \, \text{C} \), what is the cross-sectional area?

Q4. A \( 9 \, \text{V} \) battery with \( 1 \, \Omega \) internal resistance is connected to a \( 8 \, \Omega \) resistor. What is the power dissipated in the internal resistance?

Q5. Two cells in parallel have emf \( 8 \, \text{V} \) and \( 4 \, \text{V} \) with internal resistances \( 2 \, \Omega \) and \( 1 \, \Omega \). What is the equivalent internal resistance?

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

Explore More NEET Subjects

Everything you need to crack NEET