Key MCQs and Concepts on Magnetic Effects of Electric Current and Magnetism
This page provides NEET-focused practice on Magnetic Effects Of Current And Magnetism MCQ. Covering all major concepts—Biot–Savart law, Ampere's law, solenoids, Lorentz force, and magnetic field patterns—these MCQs simulate the NEET exam format. Practicing here enhances accuracy, builds conceptual clarity, and prepares you to maximize Physics scores in NEET 2025.
What are MCQs for Magnetic Effects Of Current And Magnetism?
Magnetic Effects Of Current And Magnetism MCQs are NEET-standard, objective questions based on the pattern and weightage this chapter holds in Physics. They test application, calculation, and conceptual understanding—like magnetic field due to wires, motion of charges in fields, and rule-based direction analysis. Practicing such MCQs on Vedantu mirrors real NEET exam conditions and question complexity.
Why Practice NEET MCQs on Magnetic Effects Of Current And Magnetism?
NEET MCQs target conceptual traps, formulas, and practical cases typical in Physics. Repeated practice builds speed, accuracy, and confidence. Attempting timed, chapterwise MCQs pinpoints gaps early, supports efficient revision, and aligns your prep with the latest NEET blueprint. Vedantu’s curated sets assist in mastering this scoring-heavy Physics topic.
Magnetic Effects Of Current And Magnetism MCQ – Practice Set (NEET Level)
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Which law gives the magnetic field produced at a point by a straight current-carrying conductor?
A. Ohm’s Law
B. Biot–Savart Law
C. Lenz’s Law
D. Faraday’s Law
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The SI unit of magnetic field (magnetic flux density) is:
A. Ampere
B. Tesla
C. Newton
D. Henry
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A charged particle moving perpendicular to a uniform magnetic field experiences a:
A. Change in speed
B. Force perpendicular to motion
C. Force along its velocity
D. No force
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The expression for force on a current-carrying conductor of length L in magnetic field B is:
A. F = BIL cosθ
B. F = BIL sinθ
C. F = BIL tanθ
D. F = BIL
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In Fleming’s Left Hand Rule, the thumb represents the direction of:
A. Magnetic field
B. Induced current
C. Motion (force)
D. Voltage
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The magnetic field inside a long ideal solenoid is:
A. μ₀nI
B. μ₀I/2πr
C. μ₀nI/2
D. Zero
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A current-carrying circular loop behaves as a:
A. Bar magnet
B. Solenoid
C. Superconductor
D. Capacitor
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Which of the following increases the strength of the magnetic field inside a solenoid?
A. Increasing the number of turns
B. Using an air core
C. Decreasing the current
D. Placing in vacuum
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The direction of the magnetic field around a straight conductor is determined by:
A. Fleming’s Left Hand Rule
B. Right Hand Thumb Rule
C. Lenz’s Law
D. Ampere’s Law
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If a positively charged particle enters a magnetic field perpendicular to its velocity, its path will be:
A. Rectilinear
B. Circular
C. Parabolic
D. Elliptical
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A magnetic field does NOT:
A. Change velocity direction of charges
B. Change kinetic energy of charges
C. Exert force on moving charges
D. Produce torque on a coil
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Force per unit length between two parallel straight conductors separated by distance r is proportional to:
A. 1/r
B. r
C. 1/r²
D. r²
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The earth’s magnetic field resembles the field of a:
A. Straight current-carrying wire
B. Solenoid
C. Toroid
D. Circular loop
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The value of μ₀ (permeability of free space) is:
A. 4π × 10⁻⁷ H/m
B. 9 × 10⁹ N m²/C²
C. 8.85 × 10⁻¹² C²/N m²
D. 1.6 × 10⁻¹⁹ C
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A soft iron core is used inside a solenoid because it:
A. Increases resistance
B. Decreases magnetic field
C. Increases magnetic field
D. Reduces current
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Two straight parallel wires have currents in opposite directions. They will:
A. Attract each other
B. Repel each other
C. No force
D. Both rotate
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The angle between velocity and magnetic field for maximum force on a charge is:
A. 0°
B. 45°
C. 90°
D. 180°
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If current in a wire is doubled, magnetic field at a fixed point distance from wire is:
A. Halved
B. Doubled
C. Tripled
D. Unchanged
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The magnetic moment of a current-carrying coil depends on:
A. Number of turns
B. Area of coil
C. Current
D. All of these
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Which device converts electrical energy into mechanical energy using magnetic effects?
A. Electric generator
B. Electric motor
C. Transformer
D. Galvanometer
MCQ Answer Key
| Q.No. | Answer | Explanation |
|---|---|---|
| 1 | B | Biot–Savart Law quantifies magnetic field from current-carrying conductors. |
| 2 | B | Tesla is SI unit of magnetic field (B). |
| 3 | B | Magnetic force is perpendicular to both velocity and field. |
| 4 | B | Formula F = BIL sinθ gives force on conductor in field. |
| 5 | C | In Fleming’s Left Hand Rule, thumb shows force/motion. |
| 6 | A | Inside long solenoid, B = μ₀nI (n = turns per length). |
| 7 | A | Circular current loop produces a magnetic field like a bar magnet. |
| 8 | A | More turns concentrate field lines, increasing field strength. |
| 9 | B | Right Hand Thumb Rule determines field direction around wires. |
| 10 | B | Path becomes circular due to perpendicular force. |
| 11 | B | Magnetic field does not change kinetic energy, only direction. |
| 12 | A | Force between wires varies inversely with separation r. |
| 13 | B | Earth’s field resembles a bar magnet/solenoid field. |
| 14 | A | μ₀ = 4π × 10⁻⁷ Henry/meter. |
| 15 | C | Soft iron core enhances magnetic field inside solenoid. |
| 16 | B | Opposite currents in parallel wires result in repulsion. |
| 17 | C | Force is max when angle is 90°. |
| 18 | B | B is proportional to current, so doubling it doubles field. |
| 19 | D | Magnetic moment = NIA; depends on all listed. |
| 20 | B | Electric motor uses current and magnetism to produce motion. |
Explanations clarify reasoning behind each answer and help students understand important NEET concepts.
How These MCQs Help in NEET
Solving NEET-level Magnetic Effects Of Current And Magnetism MCQ builds familiarity with real exam logic, strengthens grip on formulas, and exposes application tricks. Use time analytics to develop speed. For broader practice, explore the NEET Physics Chapterwise Test and related Electromagnetic Induction MCQ sets on Vedantu. These reinforce linked concepts essential for success.
Tips & Next Steps for Magnetism NEET Prep
- Master all rules: Biot–Savart, Ampere’s law, hand rules, and direction tricks.
- Revise formulae and units—most errors arise here in NEET Physics.
- Analyze mistakes using the answer key to address conceptual gaps.
- Practice timed full-length NEET Physics Mock Tests for exam readiness.
Focused MCQ practice on Magnetic Effects Of Current And Magnetism prepares you for NEET’s high-yield Physics questions. Conceptual clarity, time management, and instant answer analysis on Vedantu boost both confidence and final scores. Continue regular practice with chapterwise and full-syllabus NEET tests for the best results.
FAQs on Magnetic Effects Of Current And Magnetism MCQ for Class 10
1. Where can I find NEET MCQs on Magnetic Effects of Current and Magnetism?
You can find NEET MCQs on Magnetic Effects of Current and Magnetism on reputable exam-prep platforms like Vedantu. These practice sets help students master critical concepts for NEET Physics with:
- Chapterwise MCQ tests
- Answer keys and detailed solutions
- Real NEET exam pattern and marking scheme
- Instant scoring for self-assessment
2. Are answer keys provided for these chapterwise NEET Physics mock tests?
Yes, answer keys are provided immediately after submitting the NEET Physics chapterwise mock tests. These include:
- Correct answers for all MCQs
- Stepwise, detailed solutions
- Downloadable PDF answer keys for revision
3. How many questions are included in the magnetic effects and magnetism mock set?
The typical NEET mock set for Magnetic Effects of Current and Magnetism includes 20 carefully selected MCQs. These:
- Cover all high-weightage subtopics
- Simulate the NEET Physics exam pattern
- Are balanced in difficulty (easy, moderate, and challenging)
4. What is the difficulty level of these MCQs for NEET aspirants?
These MCQs are tailored for the NEET exam, ranging from easy to challenging.
- Questions reflect both basic concepts and advanced applications
- Difficulty is distributed among subtopics: Biot–Savart law, Ampere’s law, force on charges, solenoid fields
- Helps students prepare for unpredictable NEET patterns
5. Can I download the MCQ pdf for practice offline?
Yes, most platforms offering Magnetic Effects of Current and Magnetism NEET MCQs provide downloadable PDFs. Benefits include:
- Practice offline anytime
- Access full answer keys and solutions
- Ideal for last-minute revision
6. How to prepare for magnetic effects of current and magnetism NEET?
To prepare effectively for Magnetic Effects of Current and Magnetism in NEET:
- Understand Biot–Savart and Ampere’s Laws conceptually
- Practice chapterwise NEET MCQs for all subtopics
- Review answer keys and learn from mistakes
- Revise formulas and derivations regularly
- Attempt mock tests under exam time constraints
7. What is the weightage of this chapter in NEET?
The Magnetic Effects of Current and Magnetism chapter typically carries a weightage of about 2–3 questions (8–12 marks) in NEET Physics. Key focus areas:
- Calculation-based MCQs from Biot–Savart law, Ampere’s law
- Force on conductors and solenoids
- Repeated NEET concepts over previous years
8. Are these tests helpful for Class 12 and Class 10 boards as well?
Yes, NEET mock tests on this chapter also help students preparing for Class 12 and Class 10 board exams. They:
- Reinforce conceptual clarity
- Provide ample MCQ practice
- Cover board exam topics like the magnetic effect of electric current, field lines, and laws
9. Which concepts are most repeated in NEET Physics MCQ?
The most repeated NEET Physics MCQs from magnetic effects include:
- Biot–Savart law and application to current-carrying conductors
- Magnetic field inside and outside a solenoid/toroid
- Force on moving charges and conductors in magnetic field
- Right-hand and left-hand rules
10. How can I analyze my performance to spot weak areas in magnetism for NEET?
To analyze your NEET Physics performance in magnetism:
- Use instant feedback and analytics after each mock test
- Check subtopic-wise scores and accuracy rates
- Review detailed solutions for every incorrect answer
- Track your timing for each question
- Focus extra revision on weak-scoring sections
