What is the function of a solenoid?

Produces magnetic field and current

What is an electromagnet?

Magnet created by chemical reaction

Magnet created by electric current

What is Fleming's left-hand rule?

Thumb shows current, forefinger shows field, middle finger shows force

Thumb shows current, forefinger shows force, middle finger shows field

Thumb shows field, forefinger shows force, middle finger shows current

Thumb shows force, forefinger shows field, middle finger shows current

What is the principle of a DC motor?

Interaction of electric and magnetic fields

Interaction of electric field and current

Interaction of heat and current

Interaction of magnetic field and current

What is electromagnetic induction?

Generation of EMF by changing magnetic field

Generation of EMF by electric field

Generation of current by electric field

Generation of current by magnetic field

What is the role of brushes in a DC motor?

Conducts current to the commutator

What is the difference between a step-up and step-down transformer?

Step-up and step-down both decrease voltage

Step-up and step-down both increase voltage

Step-up decreases voltage, step-down increases voltage

Step-up increases voltage, step-down decreases voltage

What is the function of an electric fuse?

Protects against excessive current

Protects against voltage spikes

What causes a short circuit?

Direct contact of live and neutral wires

What is the purpose of earthing in electrical appliances?

Provides a safe path for excess current

Provides a safe path for high voltage

Provides a safe path for leakage current

What is the role of a live wire in a domestic circuit?

Carries current to the appliance

Returns current from the appliance

What is the role of a neutral wire in a domestic circuit?

Carries current to the appliance

Returns current from the appliance

What is the function of an electric meter?

Measures electrical energy consumption

What is the purpose of a circuit breaker?

Interrupts circuit during overload

Interrupts circuit during short circuit

NCERT Solutions Class 10 Science Chapter 12 – Magnetic Effects of Electric Current

Name: Magnetic Effects of Electric Current – Class 10 Science
Uploaded: 2026-05-31
Description: Magnetic Effects of Electric Current

Class 10 Science

Last Updated: 31 May 2026

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Practice MCQ Questions (30 questions)

Q1. What is the magnetic effect of electric current?

Q2. What is the unit of magnetic field strength?

Q3. What happens when a current-carrying conductor is placed in a magnetic field?

Q4. Who discovered the magnetic effect of electric current?

Q5. What is the right-hand thumb rule?

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NCERT Solutions Class 10 Science Chapter 12 – Magnetic Effects of Electric Current

Watch Video Lecture

Video Coming Soon..

Important Points

Practice MCQ Questions (30 questions)

Q1. What is the magnetic effect of electric current?

Q2. What is the unit of magnetic field strength?

Q3. What happens when a current-carrying conductor is placed in a magnetic field?

Q4. Who discovered the magnetic effect of electric current?

Q5. What is the right-hand thumb rule?

Q6. What is a solenoid?

Q7. What is the function of a solenoid?

Q8. What is an electromagnet?

Q9. What is the magnetic field pattern around a straight current-carrying conductor?

Q10. What is the magnetic field pattern around a circular current-carrying loop?

Q11. What is the direction of the magnetic field inside a solenoid?

Q12. What is the direction of the magnetic field outside a solenoid?

Q13. What is Fleming's left-hand rule?

Q14. What is the principle of a DC motor?

Q15. What is the principle of an electric generator?

Q16. What is electromagnetic induction?

Q17. What is the function of a commutator in a DC motor?

Q18. What is the role of brushes in a DC motor?

Q19. What is the function of a transformer?

Q20. What is the difference between a step-up and step-down transformer?

Q21. What is the function of an electric fuse?

Q22. What causes a short circuit?

Q23. What is overloading in an electric circuit?

Q24. What is the purpose of earthing in electrical appliances?

Q25. What is the role of a live wire in a domestic circuit?

Q26. What is the role of a neutral wire in a domestic circuit?

Q27. What is the potential difference between the live wire and the neutral wire in a domestic circuit?

Q28. What is the frequency of AC supply in India?

Q29. What is the function of an electric meter?

Q30. What is the purpose of a circuit breaker?

Frequently Asked Questions (FAQ)

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